Answer:
Feeding, reproduction, respiration and excretion.
Characteristic features of Flea, Bacteria and Elm tree
Flea:
1. Flea is small and wingless insects.
2. It survives as parasite on the body of mammals and animals.
3. It acts as carriers of many disease.
4. It gets its nourishment from the blood.
Bacteria:
1. It is a single celled prokaryotic organism.
2. It is both harmful as well as beneficial to the other living organism.
3. It is a member of decomposer.
4. They are microscopic in appearance.
Elm tree:
1. It is a deciduous tree.
2. It is life span is approximately 300 years.
3. It is native to central Asia.
4. It act as source of food for various living organisms.
Consider the phylogenetic tree of Old World primates.
According to the tree, which primates share the most recent common ancestor with humans?
gorillas
chimpanzees
bonobos and chimpanzees
bonobos and gorillas
Answer:
bonobos and chimpanzees
Explanation:
I took the test on edg 2020
According to the tree, bonobos and chimpanzees share the most recent common ancestor with humans.
What is a phylogenetic tree?A phylogenetic tree is a diagram used to represent evolutionary relationships between different genetic lineages.
The phylogenetic tree indicates the ancestry between different taxonomic groups by the relative position among nodes.
In conclusion, according to the tree, bonobos and chimpanzees share the most recent common ancestor with humans.
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Shorelines change rapidly. Erosion and deposition are two processes with opposite effects that shape shoreline features. Which of the following shoreline processes is an example of deposition? A. carving of sea cliffs by waves B. breakdown of gravel into sand C. wave removal of sand from beaches D. accumulation of mud in bays
Answer:
the answer is d.
trust me I have done this one.
Explanation:
the reason is Erosion is the process by which the surface of the earth is constantly being worn away. On a shoreline, the process of deposition has the opposite effect because materials are "deposited," or accumulated, along the shoreline.
In an ecosystem, accumulation of mud in bays is an example of deposition.The correct option is D.
Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.
Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.Accumulation of mud in bays is deposition while the other examples are erosion.
Thus, option is D is correct.
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plants take in the suns energy by absorbing
a. chlorophyll b.
b.chlorophyll a
c.high-energy sugars
d.sunlight
The answer is D. Sunlight
which molecule is called the "molecule of hereditary?
Answer:
DNA
Explanation:
Experiments such as the one by Frederick Griffith in 1928 showed that DNA is the hereditary molecule. How showed that virulent bacterial species could transfer DNA to avirulent species and make them virulent too. This means that DNA determines the characteristic of the individual and can be passed down or across generations.
Answer:
Molecule which called the molecule of hereditary is DNA, or deoxyribonucleic acid,the hereditary material in humans and almost all other organisms,Most DNA is located in the cell nucleus.
Explanation:
The genetic information that make persons are different from each other and transform from parents to offspring by a process called heredity, this information stored in DNA as a code made up of four chemical bases: adenine (A)guanine (G)cytosine (C) thymine (T)DNA bases pair up with each other to form units called base pairs:A with T
C with G
Each base is also attached to a sugar molecule and a phosphate molecule. Base+ sugar molecule+phosphate= Nucleotide. The DNA is consists of nucleotide that arranged in two long strands that form a spiral called a double helix as in figureDNA can replicate (make copies of it self), and this is very important during cell division, because the new cells need to have new DNA.Learn more about :
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DNA\ heredity\ replication\ helix\ nucleoide\ gene\ genetics.Which conclusion about the meaning of Y is correct if the allele combination Yy is for yellow seeds?
a. yellow and dominant
b. green and recessive
c. yellow and recessive
d. green and dominant
Answer:
Yellow and dominant
Explanation:
Since Yy represents yellow seeds, the presence of the dominant allele (Y) indicates that recessive homozygosis (yy) cannot manifest yellow because the Y allele prevents the manifestation of green color.
Therefore it is concluded that the Yy seed carries the recessive gene for green seeds, but does not manifest green color.
Blue crabs live in water. Ghost crabs live in sand dunes and on beaches. Fiddler crabs live in marshes and mud flats. Is this statement true or false?
These crabs live in different habitats because limiting factors change from ecosystem to ecosystem.
a. true
b. false
Answer: A. true
Explanation: Each crab lives in a different habitat according to the environment in that habitat. If you were to move a Ghost crab to water, where the blue crabs live, it would be easy to see, and would most likely not be able to survive fully submerged in water.
Answer:
A. true
Explanation:
What drives the atp synthase reactions that produce atp
Which statement best describes a dominant allele?
A. The version of the trait that is expressed only if the individual is
homozygous for that trait
B. The version of the trait that is expressed over other alleles for the
same trait
C. The version of the trait that is more beneficial to the individual's
survival
D. The version of the trait that is expressed only if the individual is
heterozygous for that trait
Answer:
D. The version of the trait that is expressed only if the individual is heterozygous for that trait
Explanation:
Dominant alleles are alleles that can hide the presence of a different allele [which is the recessive allele].
I hope this helps so long as I am not sure about this one, but if this is the correct, I guess you can mark five ✨ on this one, and as always, I am joyous to assist anyone at any time.
The dominant allele is the version of a gene that is expressed over other alleles for the same trait. It is the allele whose characteristic is observed when present in a gene pair.
Explanation:The statement that best describes a dominant allele is: 'The version of the trait that is expressed over other alleles for the same trait'. This is because the dominant allele refers to the version of a gene that will be expressed regardless of the other allele present in the pair. For example, if we have two alleles, A (dominant) and a (recessive), and the individual has the pair Aa, the characteristic related to the allele A will be the one observed, as A is the dominant allele.
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Which of the following correctly describes binomial nomenclature?
Genus followed by species
Written in Greek or Latin
Italicized when typed, underlined when written
Species followed by genus
Underlined when typed, italicized when written
It includes 3 names
Organisms show slowed growth during the what seasons
Answer:
In the Spring
Answer:
its in the spring but they deleted all of our convos!
Explanation:
as water is cooled from 4 to 0, its density ____
As water is cooled from 4 to 0, its density "decreases." Density is the amount of substance per a specific volume. So, if the water cools it's density decreases, but as the temperature rises it's density will increase because liquid to a gas and a gas has a high density then a liquid.
Hope this helps.
How does the phosphorous cycle differ from the nitrogen cycle and the carbon cycle?
A.
The phosphorous cycle enters both water and atmosphere, unlike the nitrogen cycle and the carbon cycle.
B.
The phosphorous cycle occurs only in the atmosphere, unlike the nitrogen cycle and the carbon cycle.
C.
The phosphorous cycle does not enter the atmosphere, unlike the nitrogen cycle and the carbon cycle.
Answer:
a
Explanation:
a
Answer:
The answer is C.
Explanation:
Just took the test.
< Sarah >
Which of these organs is found in the digestive system?
A. lungs
B. kidneys
C. stomach
D. heart
PLZ HURRY!!
Answer:
Stomach?
Explanation:
Answer:
C
Explanation:
Stomach is in your digestive system, along with mouth, teeth, tongue, pharynx, esophagus, and intestines.
the data below simulate what happened to peppered moths in england after the industrial revolution which statement best describes the process that produced one of the emding populations of moths ?
Answer: light colored moths were selected for on light colored trees
Brightly colored moths are chosen for light-colored trees
Further explanation
Moths are insects that are closely related to butterflies and both belong to the Lepidoptera Order. The difference between a butterfly and a moth is more than just a taxonomy. Sometimes the names Rhopalocera (butterfly) and Heterocera (moth) are used to formalize their differences.
Familiar Moth Types:
Death's-head Hawkmoth Acherontia sp. Actias luna moth Atlas Attacus atlas The biggest moth in the world Emperor Gum Moth Opodiphthera eucalypti Polyphemus Moth Antheraea polyphemus Peppered moth Biston betularia
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Details
Class: Middle School
Subject: Biology
Keywords: Moths, insects, Order
Brightly colored moths are chosen for light-colored trees.
Moths are insects that are closely related to butterflies and both belong to the Lepidoptera Order. The difference between a butterfly and a moth is more than just a taxonomy. Sometimes the names Rhopalocera (butterfly) and Heterocera (moth) are used to formalize their differences.
Familiar Moth Types:
Death's-head Hawkmoth Acherontia sp.
Actias luna moth
Atlas Attacus atlas The biggest moth in the world
Emperor Gum Moth Opodiphthera eucalypti
Polyphemus Moth Antheraea polyphemus
Peppered moth Biston betularia
What happened to the peppered moths during the Industrial Revolution which process took place?Scientists have discovered the specific mutation that famously turned moths black during the Industrial Revolution. In an iconic evolutionary case study, a black form of the peppered moth rapidly took over in industrial parts of the UK during the 1800s, as soot blackened the tree trunks and walls of its habitat.
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A student found the following flowchart in a text book. Which chemical reaction best summarizes the matter and energy transfers that occur during the process shown?
Answer:
B
Explanation:
The process shown is cellular respiration
The products of photosynthesis are the inputs of cellular respiration
Therefore sugar and oxygen being converted into ATP for Cellular Respiration makes the answer B
hope that helped
Answer:
B. Sugar + O₂→ ATP + CO₂+ Water
Explanation:
The flowchart given in the question is steps of cellular respiration. It is a process which takes place all living cells. Glycolysis occurs in the cytoplasm whereas, Krebs cycle and electron transport chain occurs in the mitochnodria. In this process the respiratory substrate such as sugrar is oxidised completely in presence of oxygen to produce ATP, carbon dioxide and water.
What energy-carrier molecules are produced by glycolysis?
Answer:
2 ATP, 2 NADH
Explanation:
Glycolysis is the first step of cellular respiration that breaks down the glycolysis into two molecules of pyruvate. During the process, two molecules of ATP and 2 molecules of NADH are formed. NADH formed during glycolysis enters the oxidative phosphorylation to drive the synthesis of ATP.
Hence, ATP and NADH are the energy carriers formed during the process.
The energy-carrier molecules produced by glycolysis are ATP (adenosine triphosphate) and NADH (nicotinamide adenine dinucleotide). A net of two ATP and two NADH molecules are produced for every molecule of glucose that undergoes glycolysis.
Explanation:Glycolysis is a metabolic pathway that occurs in the cytoplasm of cells. It takes place in two main phases: the energy-consuming phase and the energy-yielding phase. As your question focuses on the products of glycolysis, it's noteworthy that the key energy-carrier molecules produced by glycolysis are ATP (adenosine triphosphate) and NADH (nicotinamide adenine dinucleotide).
During the energy-yielding phase of glycolysis, a total of four ATP molecules are synthesized and two ATP molecules are consumed, resulting in a net yield of two ATP molecules per glucose. These ATP molecules, often referred to as the cell's energy currency, are used by the cell for multiple processes that require energy.
Two NADH molecules are also synthesized in this phase of glycolysis. NADH serves as a high-energy molecule, carrying electrons that will be used in subsequent stages of cellular respiration, specifically the Electron Transport Chain, to produce more ATP molecules.
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The diagram shows some of the steps in the flow of energy through an ecosystem. The arrows represent the transfer of energy. Label each arrow with the type of energy being transferred.
Answer:
Ecosystems maintain themselves by cycling energy and nutrients obtained from external sources. At the first trophic level, primary producers (plants, algae, and some bacteria) use solar energy to produce organic plant material through photosynthesis.
Explanation:
Unit 4: Ecosystems // Section 3: Energy Flow Through Ecosystems.
Your question is incomplete. please read below to find the full content.
In the diagram showing a typical food chain in an ecosystem, the arrow that connects the sun to plants represents the flow of radiant energy. The sunlight produces radiant energy, of which producers, such as plants, convert into chemical energy through photosynthesis.
The next arrow linking the plants to the rodent shows the flow of chemical energy in plants to primary consumers, such as rodents, who feed on them.
Also, rodents, when preyed upon by secondary consumers, such as wolfs and owls, pass on the same chemical energy to them. So the arrows connecting the rodent to the owl, and to the wolf both show the transfer of chemical energy from the rodent to the owl and wolf.
The next arrow shows the transfer of thermal energy from the wolf to the environment, as the wolf release heat from the body resulting from the daily functions it performs, and also, thermal energy is released to the surroundings as heat during the decomposition of the body of an animal.
The arrow linking the wolf to the decomposer which breaks down the body and waste of the wolf represents a transfer of chemical energy to the decomposer, as they break chemical bonds to obtain the energy they need to survive and grow.
Please check the attached diagram for the complete question.
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Using the following information:
The mouse hair color brown (B) is dominant over the mouse hair color white (b). Cross a heterozygous female with a homozygous recessive male.
What would the offsprings genotypes be?
What would the offsprings phenotypes be?
When a heterozygous female mouse (Bb) is crossed with a homozygous recessive male mouse (bb), 50% of the offspring will be brown (Bb) and 50% will be white (bb), demonstrating the principles of Mendelian inheritance.
Explanation:The question involves predicting the genotypes and phenotypes of offspring resulting from a cross between a heterozygous female mouse for hair color (Bb) and a homozygous recessive male mouse (bb), where brown hair color (B) is dominant over white (b). To determine the offspring's possible varieties, we employ the Punnett square method.
Female (Bb) can produce two types of gametes: B and b.Male (bb) can only produce b gametes.By crossing these, we get the following offspring genotypes:
50% Bb - Brown hair color (Heterozygous)50% bb - White hair color (Homozygous recessive)Regarding phenotypes, this means:
50% of the offspring will have brown hair color, displaying the dominant phenotype.50% will have white hair color, showing the recessive phenotype.This example is a simple Mendelian inheritance scenario, illustrating how dominant and recessive traits are passed through generations.
Which of the following statements is true?
The Challenger Deep was explored by Picard and Walsh.
Data from Jason-1 will help scientists study deep sea life.
Salinity refers to the amount of salt (NaCl) in the ocean.
All of the above.
None of the above.
its all of the above i think...
Answer:
Actually the correct answer was, "The Challenger Deep was explored by Picard and Walsh."
Explanation:
Hope this helps someone in the future! :)
Which foundational concepts in biology were merged in the modern synthesis?
A. Darwin's theory of evolution and Mendel's ideas of heritability
B. Darwin's theory of evolution and Chargaff's rules of base pairing
C. Darwin's theory of evolution and Watson's and Crick's structure of DNA
D. Darwin's theory of evolution and Hershey's and Chase's proof of DNA as genetic material
Answer:
A. Darwin's theory of evolution and Mendel's ideas of heritability
Explanation:
Modern synthesis is the theory of evolution that combines Darwin's theory of natural selection and principles of Mendelian inheritance. This was done to explain the origin of variations among individuals in the population as proposed by Darwin. Darwin could not explain how variations were created and how these variations were transmitted to future generations. Mendel's laws of inheritance provided an explanation of the basis of the origin of variations and mode of their transmission.
This is how modern synthesis came into existence.
Blood pressure is the pressure exerted by blood against......
A-kidney// b-artery wall// c-brain //D-stomach
Answer: B artery wall
Which scale is used to describe the magnitude of an earthquake?
O A Mercalli scale
B. Richter scale
OC. magnitude scale
0
OD seismic scale
Answer:
B. Richter scale.
Explanation:
The Richter scale is the scale used to measure the magnitude of an earthquake. The greater the earthquake, the sharper and longer the lines and the higher the peak and lower the draught. The smaller the earthquake, the more smooth and close to a line it would be.
~
The Richter scale is used to describe the magnitude of an earthquake.
1. Which scientist developed the heliocentric model for the solar system?
A. Johannes Kepler
B. Copernicus
C. Aristotle
D. Ptolemy
The scientist who developed the heliocentric model for the solar system is option B. Copernicus.
What is a heliocentric model?The heliocentric model proposes the Sun as the center of the solar system, rather than Earth, as was believed according to the geocentric model. The model was proposed by Nicolaus Copernicus in the 16th century that described the idea of the heliocentric model of the world with detailed data concerning the movements of the planets and the Sun.The heliocentric model is the view that proposed the Sun as the center of the solar system. It stated that the earth revolved around the Sun, not the other way round, as proposed by the geocentric system. Although the Copernican model also believed the orbits of the planets to be circular, they are actually elliptical.Hence, the scientist who developed the heliocentric model for the solar system is option B. Copernicus.
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What are scattered over like pepper over the endoplasmic reticulum
Answer:
Ribosomes
Explanation:
The endoplasmic reticulum is a network of interconnected sacs and tubules distributed throughout the cytosol. There are two types of endoplasmic reticulum: smooth endoplasmic reticulum and rough endoplasmic reticulum. The rough endoplasmic reticulum is the one that has ribosomes studded on its outer surface. The presence of ribosomes gives the rough endoplasmic reticulum a rough appearance.
On the other hand, the smooth endoplasmic reticulum has a smooth outer surface due to the absence of ribosomes on it. The main function of rough endoplasmic reticulum is protein synthesis as ribosomes are the site for protein synthesis. The smooth endoplasmic reticulum is involved in lipid biosynthesis.
why is the carbon cycle important to plants
Answer: D.
Explanation:
Because...
Plants convert carbon into oxygen and chemical energy so without carbon they wouldn't have food/energy so they wouldn't be able to live.
* Therefor, the correct answer is D.
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9. Based on the soil texture diagram, what type of soil is 40 percent sand, 15 percent clay, and 45 percent silt?
O A. Silt loam
O B. Loam
C. Sandy clay loam
O D. Sandy loam
Your answer would just be straight Loam
Final answer:
A soil with 40% sand, 15% clay, and 45% silt is classified as silt loam, based on the soil textural triangle. The correct option is A.
Explanation:
Based on the soil texture diagram, a soil that is composed of 40 percent sand, 15 percent clay, and 45 percent silt is best classified as silt loam. This classification is determined using a soil textural triangle, where we trace horizontal, vertical, and diagonal lines based on the percentages of clay, silt, and sand. The point where these lines intersect corresponds to the appropriate soil class. Given the provided texture percentages, they intersect within the range specified for silt loam soils, which typically have more than 50% silt and no more than 25% clay.
Secondary succession would most likely be taking place in a(n)
Answer:
After A Lava Flow Or Flood
Explanation:
Answer: A) abandoned field.
Explanation:
which group advises community gardens about fresh fruits and vegetables
A. Supermarket Workers
B. Cooperative extension service
C. Sanitation Workers
D. Pharmacists
Answer: the answer is b
Final answer:
b) The Cooperative extension service advises community gardens about fresh fruits and vegetables, offering programs that support agricultural education and enhance food security.
Explanation:
The group that advises community gardens about fresh fruits and vegetables is the B. Cooperative extension service. Cooperative extension services play a crucial role in agricultural education and food security, providing expertise and guidance on growing practices, pest management, and nutrition. These services support local communities by increasing access to fresh produce, which is essential for maintaining a healthy diet.
Cooperative extension services offer numerous programs to assist community gardens. For example, volunteer efforts with Extension can involve vegetable and fruit gardening classes, educational booths at farmers markets, and collaboration with food pantries to improve the availability of fruits and vegetables. Furthermore, these services aid in the delivery of regionally grown farm produce to various community institutions, promoting the consumption of healthy foods.
how would you best describe the role of gene expression in cells brainly
A- cells destroy the DNA of genes that they do not use
B- when cells divide in mitosis, They pass on only the genes that are required.
C- To become specialized, cells need to control the production of proteins coded for in their dna
D- all genetic information in a cells DNA is fully expressed at all times.
Answer:
To become specialized, cells need to control the production of proteins coded for in their dna. ( C-)
To become specialized, cells need to control the production of proteins coded for in their dna best describe the role of gene expression in cells. Thus, the correct option is C.
What is gene expression?Gene expression is defined as the process by which information encoded in a gene give rise to the production of a protein.
When a gene is expressed, it permit the cell to take part in a specific function or mechanism.
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Look at this picture of a frog.
Which sphere does the frog belong to?
atmosphere
biosphere
geosphere
hydrosphere