Answer:
Both of the above
Explanation:
Falsifiable means that some observation might show it to be false. In this case, I can perform a test in which the wavelength of the light shining on a plant is shortened, and the rate of the photosynthesis is not slowed down; then, the hypothesis is falsifiable.
A testable hypothesis is a hypothesis that can be proved or disproved as a result of testing. Again, I can perform a test in which the wavelength of the light shining on a plant is shortened, and measure the rate of the photosynthesis; then, the hypothesis is testable.
What makes a fossil an index fossil ?
Explanation:
A fossil is an index fossil when it is distinctive, abundant, and limited in geological areas. A good index fossil lived for a short period of time so that the range of ages of the strata in which the index fossil is located is small. A good index fossil is found in a wide geological range.
A fossil is an index fossil when animals or plants preserved in the rock record of the Earth is characteristic by a particular span of geologic time or environment.
Answer:
the fossil was formed only during a certain short time period
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.
Conservationists establish that the carrying capacity of a population of deer in an extensive geographical area is 945. The current population of deer is 1,100. What is likely to happen to the population of deer?
Answer:
It will decline
Explanation:
If the carrying capacity of a population of deer is 945 in a particular area, but the population has reached the number of 1,100, then the population of deer will start to decline. The reason for the decline that will occur is that the environment can not support with food sources more then 945 deer. Since the food sources will be declining rapidly, the deer population will be left will very little food. This will lead to competition between the deer themselves, so only the strongest and fittest will survive, while the weaker ones will starve to death. The population will experience a rapid decline to the point where the food sources are just about right to support the population.
Answer:
Decline
Explanation:
If above the carrying capacity, not enough resources such as food, can not be distributed in a proper amount until then, the population declines to the established carrying capacity
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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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 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
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:
Which of the following explains Darwin's theory of natural selection?
1. Individuals in a population with traits best suited for that environment survive and increase in number.
2.Present organisms are related to and descended from past organisms.
3.More recent species of organisms are changed descendants of earlier species.
Interpretations based upon emotions or opinion are considered:
Answer:
Subjective, or biased
Explanation:
It biased or subjective because it is based on how we feel instead of facts.
Interpretations based upon emotions or opinion are considered as subjective or biased.
Why interpretations based on emotions and opinions are considered as subjective?
It is considered as subjective or biased because it is based on how we feel instead of facts.
The nature of emotions begin with an event that activates feeling.
The interpretation are subjective when are based upon these feelings.
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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:
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 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.
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 best states the difference between inductive reasoning and deductive reasoning?
Answer:
The correct answer is D
Answer:
Inductive reasoning goes from specific to general, and deductive reasoning goes from general to specific. (Ans D)
Explanation:
Deductive reasoning start out with a general principle (hypothesis) and examine the possibilities to reach a specific conclusion. Inductive reasoning where true premises develop a valid conclusion.
Inductive reasoning goes from specific information to general. Inductive reasoning where the premises support the conclusion.
Blood pressure is the pressure exerted by blood against......
A-kidney// b-artery wall// c-brain //D-stomach
Answer: B artery wall
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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Which feature would you expect to find in a population in which sexual
selection depends on male competition?
Bright-coloured males are the feature which is expected to be seen where se×ual selection depends on male competition.
What is Competition?This is a condition in which two or more parties strive for a common goal which can't be shared.
Bright-coloured males will attract mates through their colour which gives them an advantage over the others during se×ual selection.
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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.
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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Which discipline of biology focuses on the cellular level of organization of life?
A.
Molecular biology
B.
Cytology
C.
Genetics
D.
Human physiology
Final answer:
B. Cytology, or Cell Biology, is the discipline of biology that concentrates on the cellular level of organization, studying cell structure and function.
Explanation:
The discipline of biology that focuses on the cellular level of organization of life is Cell Biology, also known as Cytology. This field specifically studies cell structure and function, including the complex processes that occur within cells. While molecular biology deals with the study of molecules such as DNA and proteins, genetics focuses on heredity and the passing of traits from one generation to the next, and human physiology examines the internal functioning of organisms, Cytology is dedicated to understanding cells themselves—productive building blocks of life. All of these disciplines, however, intersect and complement each other within the larger framework of biological sciences.
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.
* Hopefully this helps:) Mark me the brainliest:)!!
A(n)_____ Element is one in which the nucleus breaks down and gives off particles and energy
Stable
Gaseous
Metallic
Radioactive
Answer:
It's D. Radioactive element.
Explanation:
Hope my answer has helped you!
Answer : The correct option is, Radioactive.
Explanation :
Radioactive element : It is an element in which the nucleus breaks down and gives off energy and particles.
Radioactive decay : It the process in which an unstable atomic nucleus loses energy by emitting the radiations like, alpha particles, beta particles, or gamma rays.
The radioactive materials have unstable nuclei.
The naturally occurring radioactive elements are, radium, thorium, and uranium.
Thus, a radioactive element is one in which the nucleus breaks down and gives off particles and energy.
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! :)
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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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 >
Look at this picture of a frog.
Which sphere does the frog belong to?
atmosphere
biosphere
geosphere
hydrosphere
when rocks are exposed to heat, they blank , which contribute to thermal stress
Answer:
Explanation:
When rocks are exposed to heat, they expand, which contributes to thermal stress. As the rocks absorb heat, their particles gain energy and move apart, causing the rock to expand. When the heat is removed or the temperature cools down, the rocks contract as they lose energy, causing them to shrink. These cycles of expansion and contraction due to temperature changes can create thermal stress within the rocks, potentially leading to cracking or fracturing over time. This process is known as thermal expansion and contraction, and it can be a significant factor in the weathering and breakdown of rocks in natural environments.
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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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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Which of the following was NOT a major animal on land during the Carboniferous period?
amphibians
insects
both a and b
none of the above
Answer:
The answer should be A
Explanation:
The Carboniferous period was about the time early amphibians showed up, and they were just starting out in the water.
Answer: Amphibians
Explanation:
During the carboniferous period land animals were more diverse because the land areas grew. The four legged tetrapods began to evolve more and more.
During the carboniferous period some reptiles began to have leathery skin on their body. The amphibians usually lived in water not on land during the carboniferous period.
Hence, the correct answer is amphibians.