Answer:
An estuary can be described as an area of brackish water where different rivers or streams meet the open sea. Hence, an estuary forms a transition zone between an river environment and a marine environment.
Estuaries hold a lot of importance and are referred to as the nurseries of the sea. The estuary are home to many unique kinds of organisms. Certain kinds of fishes and shellfishes which humans consume cone from this area of the sea. There are high levels of nutrients moving in the estuary zone of the sea. Due to its shallow water, Pamlico estuary provides opportunities for fishing, crabbing and water- sports activities.
Estuaries like the Pamlico Estuary are crucial due to their commercial and biological significance.
Estuaries, such as the Pamlico Estuary, play a significant role both commercially and biologically.
They are home to many of the world's metropolitan areas, serving as ports for industrial activity and supporting large human populations.Biologically, estuaries are incredibly important because they act as nursery grounds for many species of fish, birds, and invertebrates. The mixing of fresh and salt water in estuaries creates a brackish environment that is rich in nutrients, promoting biodiversity and sustaining various life forms.Salinity in estuaries varies with the influx of seawater and outflow of freshwater, which influences the types of organisms and their adaptations. Many species in estuaries have developed specialized adaptations to cope with these varying salinity levels.Furthermore, estuaries contribute to the economy by providing areas for industrial activities and ports. These areas also offer recreational opportunities and help in filtering pollutants from rivers before they reach the ocean, thus maintaining environmental health.a branch of study or knowledge
about the physical and material world
which is conducted through investigation
and observation
Answer:
Science.
Explanation:
Can also refers to a practical, intellectual activity that involves the study of natural and physical worlds by shedding light into their structure and also behavior in a systematic way.
Which term best describes the work done by a community in which people
mostly raise animals for meat, milk, and clothing?
O
A. Farming
O
B. Domestigating
Hunting and gathering
O
D. Manufacturing
Answer:
Explanation:
Farming
The observed results of an oxperiment that occur from changes in the test variable (independent variablo) are known as _
A.
outcome variables
B.
trials
c.
D.
constants
controlled variables
Answer:outcome variables
Explanation:
Answer:
outcome variable it correct a f
Explanation
Nitrogen atoms are part of the structure of some organic molecules, such as all amino acids and some modified carbohydrates. What other organic molecules contain nitrogen?
Explanation:
The nucleic acids are comprised of smaller units called nucleotides and function as storage for the body’s genetic information. These monomers include ribonucleic acid (RNA) or deoxyribonucleic acid (DNA). They differ from other macromolecules since they don’t provide the body with energy. They exist solely to encode and protein synthesis.
Basic makeup: C, H, O, P; they contain phosphate group 5 carbon sugar does nitrogen bases which may contain single to double bond ring.
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Answer:
nucleotides
Explanation:
Have a good day :)
Ecosystem distribution is related to precipitation; regions that receive large amounts of precipitation are wet and therefore
Ecosystem distribution is related to precipitation; regions that receive large amounts of precipitation are wet and therefore have increased vegetation.
Explanation:
Precipitation in the form of rain and climate determines the vegetation of an ecosystem. Ecosystems with abundant rainfall will have dense vegetation and one with scarce rainfall will have limited or no vegetation.
Tropical rainforest ecosystems receive large amounts of rainfall distributed year round and have thick vegetation.
Water is the prime growth factor for plants and rainfall is the main source of water for plants. Any ecosystem, maybe a desert, grassland, fertile plain, bushlands, evergreen forest etc depend upon rainfall.
The rainfall determines the density of vegetation, the type of vegetation, greenness, structure of plants or trees like foliage, height, branching etc
Ecosystem distribution is related to precipitation, as high rainfall areas can sustain richer and more diverse biomes, including tropical wet forests and aquatic biomes. Conversely, regions with lower precipitation often have less diverse ecosystems. Climate change also plays a significant role in ecosystem distribution.
Explanation:Ecosystem distribution can indeed be related to precipitation. In regions that receive large amounts of precipitation, the environment is typically wet and rich in biodiversity. This moisture can lead to the formation of various types of biomes, including tropical wet forests that exhibit high net primary productivity due to the warm temperatures, abundant water, and a year-round growing season. Other ecosystems, such as aquatic biomes, are shaped according to different factors, including density and temperature, as well as the amount of sunlight available.
On the other hand, regions with lower precipitation like deserts and the tundra have a lower primary productivity and less diverse ecosystems due to extreme temperatures and a lack of available water.
Climate change is another important factor impacting the distribution of ecosystems, as changes in temperature and greenhouse gas concentrations can affect the living conditions of various species and disrupt their habitats.
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Exploring the Orbits of Dwarf Planets
Use the information from the article to answer the question.
Dwarf Planet
Which statements apply to the orbits of dwarf planets? Check all that apply.
Dwarf planets orbit the Sun.
Pluto could collide with Jupiter
Dwarf planets are round.
Pluto is a dwarf planet
Eris could collide with Uranus
Answer:
A,C and D on edu
Explanation:
Dwarf planets, including Pluto and Eris, orbit the Sun and are spherical. They won't collide with other planets due to the nature of their orbits.
Explanation:The statements that apply to the orbits of dwarf planets include:
Dwarf planets orbit the Sun.Dwarf planets are round.Pluto is a dwarf planet.Pluto and Eris, among other dwarf planets, follow an elliptical path around the Sun that does not risk collision with Jupiter or Uranus. These celestial bodies have an orbital path that ensures designed space and no interference with other planets' orbits.
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The sun's motion across the sky is caused by _____.
Answer:
by the rotation of the Earth on its axis
Explanation:
Answer:
The movement of the sun is causes by the rotation of the earth. This is also why the moon goes across the sky. Also, the earth doesn't go in an exact circle around the sun; instead, it is closer to the sun in the hotter months and farther in the cooler months. Hope this helps with the answer.
what were characteristics of the Roman empire at its height there are more than 1 answer
Answer:
did not suffer any major wars
Explanation:
Answer:
The Roman Empire, at its height (c. 117 CE), was the most extensive political and social structure in western civilization.
Terms in this set (8)
gov. a federation of many self-ruled cities and states rather than a uniform bureaucratic state.
citizenship, laws, and legal penalties. not uniform but varied according to the status. ...
senate. ...
infantry. ...
other religions. ...
slaves. ...
patriarch of a family. ...
roman women.
Explanation:
what is an example of Newton’s 2nd or 3rd Law in daily life.
I think this is more of Physics, not Biology:
2nd law:
Well, have you ever sat in a car, and when the car accelerates fast enough, you get pushed to the back of your seat, and the back of your seat kind of "pushes" you forward? The back of our seat operates force on our back which is proportional to the acceleration and our weight (mass).
The second law basically defines “force” in terms of “mass” and “acceleration”. So any situation in which an object changes its velocity involves that law.
3rd law:
For every action, there is an equal and opposite reaction. Let's consider the example of the apple falling on Newton's head. Gravity applies a downard force on the apple. While the apple applies an equal and opposite force upwards to keep the apple "suspended". But when the force becomes too weak to match gravity, it falls downward.
The electron transport chain is common to both respiration and photosynthesis. However, there are some differences
in the steps involved in the electron transport chain in both processes. The table lists some steps in the electron
transport chain
Which of these CORRECTLY shows where the steps take place?
In photosynthesis, the electron transport chain (ETC) occurs in the thylakoid membrane of chloroplasts. In contrast, in cellular respiration, the ETC takes place in the inner mitochondrial membrane. This creates a proton gradient that drives ATP synthesis in both processes.
Explanation:In both photosynthesis and cellular respiration, the electron transport chain (ETC) takes place in the membrane structure of the cell. However, the location within that structure varies between the two processes. In photosynthesis, which occurs in plants and some bacteria, the ETC occurs in the thylakoid membrane of the chloroplasts. Here, light energy is used to move electrons from water to NADPH. In cellular respiration, which happens in all living organisms, the ETC is located in the inner mitochondrial membrane and it helps move electrons from NADH and FADH2 to oxygen, which is then reduced to water. The flow of electrons through these ETCs creates a proton gradient that drives ATP synthesis.
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4. A small population of chimpanzees lives in a habitat that undergoes no changes for a long period.
How will genetic drift probably affect this population?
a. It will accelerate the appearance of new traits.
b. It will promote the survival of chimpanzees with beneficial traits.
c. It will increase the number of alleles for specific traits.
d. It will reduce genetic diversity.
Genetic drift is the dramatic almost sped up process of natural selection due to the untouched habitat the species I lives in. Genetic drift is characterized by the changing in alleles, whether more or less, natural selection could care less as long as they're creating diverse populations.
Answer:
It will reduce genetic diversity by decreasing the frequency of some alleles and increasing the frequency of others.
Explanation:
Flvs (05.02A MC)
Which of these actions is a reproductive strategy?
A.
a lioness teaching her young how to hunt
B.
a tiger hunting deer
C.
cattle grazing on meadows
D.
bats hanging upside down on trees
Answer:
Which of these actions is a reproductive strategy
a lioness teaching her young how to hunt
Explanation:
when a a lioness teaches her young how to hunt, it shows that the lioness wants continuity of its generation as a result practicing reproductive strategy.
Answer:
A
Explanation:
hope it helps
A pea plant that is tall has a dominant trait. Which statements are true about the genotype/phenotype relationship of the plant?
Select all that apply.
a. If the phenotype is tall, the genotype must be tt.
b. The genotype Tt always results in a phenotype that is tall.
c. When the genotype is Tt, the phenotype will be short.
d. When the phenotype is tall, the genotype can either be TT or Tt.
Answer:
B. & D.
Explanation:
Answer:
your answer is d and b
Explanation:
What is the internal environment and explain how it is related to the inside of a cell, the interstitial fluid and to the outside world?
Internal environment and its relation with inside cell
Explanation:
Internal environment of an organism is water-based where the body cells exist.The fluid known as tissue fluid washes the body cells.Oxygen and nutrients are carried to the cells from Internal Transport system of the body. Interstitial fluid is found in between the spaces of cell. It comes out from the substances that flow out from the blood capillaries. Oldertissue fluid is replaced by new fluid where older flood drains towards lymph vessels.The internal environment is the environment within an organism's body, including inside a cell and the surrounding interstitial fluid. It is closely related to the outside world as changes in the external environment can affect the internal environment.
Explanation:The internal environment of an organism is the environment within its body, made up of the cell's inside environment and the interstitial fluid that surrounds the cells. The inside of a cell and the interstitial fluid together create a stable environment that allows the cells to function properly and maintain homeostasis.
The internal environment is crucially related to the outside world. Changes in the external environment can directly or indirectly affect the internal environment. For instance, changes in temperature can affect the cellular metabolism while changes in nutrient composition can influence the available substances for the cells. Thus, an organism needs to constantly adapt to changes in the external environment to keep its internal environment steady and function normally.
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Two steel balls that are the same mass and size are rolled with the same force across different level surfaces.
The ball rolling across carpet will come to a stop faster than the one rolling across concrete because of
A) air resistance.
B) friction.
C) gravity.
D) speed.
Answer:
The reason why the ball rolling across carpet will come to a stop faster than the one rolling across concrete is the friction (option B).
Explanation:
The contact surface on which the balls move is different. Irregularities in the carpet cause the ball in it to stop faster. The concrete surface is less irregular, and allows the ball to move a little more and then stop. This is due to friction.
In physics, friction is a force that is capable of opposing movement, since the contact of two surfaces limits its movement. A smooth surface produces less friction than a rough or irregular surface.
Since the friction that stops both balls occurs when they are in motion, it is called dynamic friction, that is, the force that causes a moving body to stop.
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The ball rolling across the carpet will come to a stop faster than the one rolling across the concrete because of friction.
Frictional force refers to the resistance force experienced by a moving object on a surface as a result of the opposing tendency of the surface.The smoother a surface is, the lower the frictional force it offers, and the more coarse a surface is, the more frictional force it offers.Two steel balls rolling on two different surfaces would experience similar forces. However, a carpeted surface is more coarse and irregular than a concreted surface.
Thus, the frictional force on the carpeted surface would be more and the ball would stop faster as opposed to the concrete surface.
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Consider the demographics of a hypothetical low income country versus a high income country. Consider the total fertility rate (TFR) of the two countries. What statement would NOT apply in evaluating their TFR's? A) The low income country exists in a lower stage of demographic transition. B) In the high income country women have more access to educational resources. C) The low income country relies on agriculture for subsistence; the high relies on technology. D) We would expect to find adequate health care in the high income rather than the low income country.
C) The low income country relies on agriculture for subsistence; the high relies on technology
Explanation:
While all four statements apply equally to a comparison of demographics of poor and rich countries, this statement regarding means of subsistence has no overall effect on fertility rate or its treatment as such.
While access to education would mean better understanding of reproduction and hence availability of healthcare in case of complications.
The means of sustenance in themselves are insignificant for this metric.
33. How is the speed of light affected as light passes at an angle from air to water?
It remains constant.
It speeds up.
It passes through unchanged.
It slows down.
Answer: I believe the answer is "It slows down."
In mitosis, how does the number of chromosomes in a daughter cell compare to the number of chromosomes in a parent cell?
Question 10 options:
The daughter cell has one-fourth the number of chromosomes.
The daughter cell has one-half the number of chromosomes.
The daughter cell has twice the number of chromosomes.
The daughter cell has the exact same number of chromosomes.
The daughter cell has the exact same number of chromosomes
In mitosis, when the number of chromosomes in a daughter cell is compared to the number of chromosomes in a parent cell, the daughter cell has the same number of chromosomes as the parent cell.
What is mitosis?Mitosis is the division of a parent cell into two identical daughter cells, each with the same number of chromosomes.Meiosis, on the other hand, results in four distinct daughter cells, each with half the number of chromosomes as the parent cell.During the mitotic process, daughter cells are formed from the parent cell and have the same chromosome number as the parent cell.During mitosis, equatorial division occurs, resulting in two daughter cells with identical genetic makeup.Mitosis is traditionally divided into five stages: prophase, prometaphase, metaphase, anaphase, telophase, and cytokinesis.
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Rosalind Franklin’s photographs of the X-ray diffraction pattern of DNA provided important clues about the structure of the DNA molecule. What was revealed by the photograph that enabled Watson and Crick to build their model of the DNA molecule? Select all that apply. A. The nitrogenous bases form the backbone on the outside of each DNA strand. B. The DNA strands are twisted around each other. C. There are two strands in the DNA molecule. D. The nitrogenous bases are near the center of the DNA molecule.
Answer:
The correct answers: B, C and D.
Explanation:
X-ray diffraction studies of the DNA reveal the following:The DNA is comprised of two strands which are coiled around each other in the shape of a helix.The backbone of the DNA is made up of phosphate and deoxyribose groups, alternately, which are exposed towards the outside of the helix.The nitrogenous bases which form the hydrogen bonds that link the two helices are directed towards the centre of the helix.The atomic and molecular arrangement of the compound subjected to the X- rays can be defined by using the X-ray diffraction method.
The photograph enabled Watson and Crick to develop their DNA molecule structure and revealed:
Option B. The DNA strands are twisted around each other. Option C. There are two strands in the DNA molecule. Option D. The nitrogenous bases are near the centre of the DNA molecule.This can be explained as:
The DNA fragment comprises two antiparallel strands.They are in a twisting style and form a helical formation.The DNA molecule includes sugar, nucleotide and phosphate in alternative styles in helical formations.The phosphate and the sugar are projected to face outwards, while the nitrogenous bases face inwards.Therefore, DNA is a double helical arrangement with two antiparallel strands containing nitrogenous bases, sugar and phosphates.
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Some viruses are RNA-based—ejecting their single-stranded RNA into the cell of a host. Let's say we are dealing with this type of virus. We also find it to be the type of RNA-based virus that has its RNA strand first converted into a complementary RNA strand using the host cell's RNA polymerase. Then this viral complementary RNA strand is used by the host cell's ribosomes to make new proteins.
If an RNA-based virus like the one we have here were to be considered a living thing, make an argument as to why the virus's RNA would be considered its primary source of heritable information. Also explain why this virus's primary source of heritable information would NOT be the DNA, RNA, or RNA polymerase of the infected cell.
The DNA, RNA or the RNA Polymerase of the infected cell would not be virus's primary source of heritable information because it has the ability to integrate into host cell and get itself replicated, also it causes infection so multiplication becomes necessary.
Explanation:
The virus has reverse transcriptase enzyme in them which works slightly different. It transcribes RNA into DNA and eventually gets integrated into the genome of the host. It is here the DNA in the host cell is transcribed and translated. Thus it is modelled to have RNA as genetic material.
When virus infects the living cell by a process called a lytic infection, it injects its genetic material into it to get replicated and increase its number and eventually bursts the infected cell. Since a virus causes infection, it has to increase in number so it uses its own genome to get replicated.
EXERCISE
Fill in the blank.
1. To form a multicellular organism, a zygote must divide many times in a process called
2. Adult stem cells are considered _, as they can differentiate into several different cell
types in the tissue where they are located.
3. Induced pluripotent stem cells are adult stem cells that have been treated so that they act like
4. A cell produces a chemical that diffuses short distances to reach nearby cells. This type of
cell-cell interaction is an example of
Respond to the following based on your reading.
5. What is tissue, and how does it relate to individual cells?
Answer:
From Penn Foster
Exercise: Cell and Tissue Development in Multicellular Organisms
A good answer should contain the following:
1. cell proliferation
2. multipotent
3. embryonic stem cells
4.paracrine signaling
5. A tissue is a group of cells that work together to perform specific functions. Tissues require a mix of cells oriented properly and dividing at the rate necessary to replenish and maintain the tissue. Cells in tissue are constantly processing and responding to signals they obtain from their environment.
6. An organism's DNA serves as an instruction booklet of sorts for how to create the organism. In this analogy, one cell type reads one chapter of this genetic instruction manual, and another cell type reads a different chapter. Specific genes are turned off and on to control gene expression for compounds needed by different tissues of the body to allow differentiation into various cell types.
7. Totipotent cells can differentiate into any of the cells in an organism, plus any of the extraembryonic cells; pluripotent cells can differentiate into any of the cells of an organism; multipotent cells can differentiate into a few specific cell types based on the tissue in which the multipotent cell is located. A zygote is totipotent, human embryonic stem cells and induced pluripotent stem cells are pluripotent, and adult stem cells are multipotent.
Explanation:
From Penn Foster
The answer to the blanks are :
Cell proliferation.MultipotentEmbryonic stem cells.Paracrine signaling.A tissue may be a gather of cells that work together to perform particular capacities."Cell and Tissue Development in Multicellular Organisms"
1)To form a multicellular organism, a zygote must divide many times in a process called cell proliferation.
2)Adult stem cells are considered multipotent , as they can differentiate into several different cell types in the tissue where they are located.
3) Induced pluripotent stem cells are adult stem cells that have been treated so that they act like embryonic stem cells.
4) A cell produces a chemical that diffuses short distances to reach nearby cells. This type of cell-cell interaction is an example of paracrine signaling.
5) Tissue and relate to individual cells
A tissue may be a gather of cells that work together to perform particular capacities. Tissues require a blend of cells situated appropriately and separating at the rate essential to renew and keep up the tissue. Cells in tissue are always handling and reacting to signals they get from their environment.Learn more about "Tissue":
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Using the cowpox virus to create a virus for smallpox
Answer:
...induced a primary immune response and immunological memory. Because of this, an encounter with the pathogen would trigger a rapid and strong secondary response.
A substance with a pH of 10 is called
a
O water.
O a base.
O neutral.
an acid.
Answer: A base
Explanation: pH is the measure of the alkalinity or acidity of a substance. In a pH scale, the values ranges from 1 to 14, substances having lower pH values are said to be more acidic while substances with higher pH values are more alkaline or basic. Substances that have pH value of 7 is said to be neutral. pH values ranging from 1 to 6 is acidic while pH values from 8 to 14 is alkaline or basic.
A substance with a pH of 10 is called a base.
Explanation:A substance with a pH of 10 is called a base. pH is a measure of the acidity or alkalinity of a substance, with pH values ranging from 0 to 14. pH values below 7 indicate acidity, while pH values above 7 indicate alkalinity or basicity.
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what prevents blood movement from left ventricle to left atrium
The Mitral valve which is also known as left atrioventricular prevents blood movement from left ventricle to left atrium.
Explanation:
Human heart is four chambered.Two of these are receiving chambers known as atria and the other two are distributing chamber known as Ventricles.Atria are superior chambers and ventricles are inferior chambers.The heart has four valves broadly grouped as Atrioventricular valves and Semi lunar valves. Atrioventricular valves allows flow of blood from atria to ventricle. These are tricuspid valve and bicuspid valve.Semi-lunar valves allow blood to pass out of the heart. These include the pulmonary and aortic valves.The pulmonary valve allows blood to flow from right ventricle to the heart while aortic valve allows blood to flow from left ventricle to the Aorta.The Tricuspid valve located between the right atrium and right ventricle allows blood to flow from right atrium to the right ventricle. The Bicuspid valve ( Mitral valve) located between the left atrium and left ventricle allows the blood flow from left atria to left ventricle.Valves maintain the unidirectional flow of blood and thus prevent its back flow.The mitral valve prevents blood from flowing backwards from the left ventricle to the left atrium in the heart. It's a one-way valve that closes when the left ventricle contracts, ensuring blood flows in the correct direction. Malfunction of this valve can lead to heart problems.
Explanation:The structure that prevents blood movement from the left ventricle back to the left atrium is called the mitral valve, also known as the bicuspid valve. This valve is a one-way valve that ensures blood flows in the correct direction. When the left ventricle contracts, this valve closes tightly to prevent blood from flowing backwards into the left atrium.
The mitral valve's functionality is crucial for the efficient functioning of the heart, as any disruption in the valve can lead to health complications such as mitral valve prolapse, mitral regurgitation, or heart murmurs.
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This term means: To expose a subject to an infectious agent (such as a virus). It is often
done to prevent the subject from getting a disease, in which case it is synonymous with the
term 'vaccinate'.
Answer:
Immunization
Explanation:
Immunization can be described as a process in which an organism is exposed to an infectious agent or its antigens. The infectious agent might be completely or partially killed do that in might not cause disease in the host cell. However, the host cell will produce antibodies against the pathogen and remember the pathogen. Next time if that pathogen infects the host cell, it will be recognized quickly and a response will be generated.
Answer:
Inoculate
Explanation:
Question 2 (Multiple Choice Worth 2 points)
Which of the following correctly describes a way in which Earth's atmosphere interacts with the biosphere?
Living organisms breathe gases in the atmosphere.
What’s the meaning of diagnoses
Answer:
A diagnoses is something a person has whenever they are sick or have something the doctor tells them they have a diagnoses.
Explanation:
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1. RNA
2. Nucleic acid.
3. Units.
4. DNA.
5. Protein.
6. Transcription
7. Molecules
8. Units
9. Amino acids.
10. Translation.
Explanation:Protein synthesis and the RNA synthesis is the total process that takes place together in each and every cell which is the Central Dogma theory.
In this theory, the RNAs are produced from the DNA by means of the process of transcription. In this process, the enzyme DNA dependent RNA polymerase acts as the primary DNA.
In the second step, the RNA produces the protein by the process of translation. This process involves the participation of each and every types of RNA like the rRNA, tRNA, and mRNA. These RNAs are all involved to form proteins by accumulation of amino acids and polymerizing them to form proteins.
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A tropical storm is an example of what two spheres of the earth interacting?
atmosphere and hydrosphere
geosphere and cryosphere
biosphere and atmosphere
cryosphere and atmosphere
Answer:
atmosphere and hydrosphere.
Explanation:
Answer:
atmosphere and hydrosphere i hope this helps
Explanation:
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the incomplete metamorphosis consists of three stages: egg, nymph, and adult.
1. egg
2. nymph
3. adult
the answer is egg
Answer: Egg
Explanation: There are basically two types of metamorphosis: complete and incomplete metamorphosis. In complete metamorphosis, the insect passes through the egg, larva and pupa stages before emerging as an adult. In incomplete metamorphosis, the egg hatches into a nymph, and the emerges into adult without passing through the pupa stage.
Stages of complete metamorphosis are egg, larva, pupa and adult. Stages of incomplete metamorphosis are egg, nymph and adult