which theory suggests that speciation happens slowly through the accumulation of many small changes
A. Theory of Independent Assortment
B. Punctuated Equilibrium
C. Gradualism
D. Hardy-Weinberg Equilibrium
Answers
Hope this helps
Related Questions
The carbon cycle involves the movement of carbon between the four main reservoirs. Which represents one of the main reservoirs?
(1 point)
O oceans
O factory emissions
O lakes
O root respiration
Answers
13. are the proposed cfc replacements themselves greenhouse gases? why is their emission considered to be less of a problem in enhancing the greenhouse effect than was that of the cfcs themselves?
Answers
Yes, the proposed CFC replacements themselves are greenhouse gases.
The emission of these replacement gases is considered to be less of a problem in enhancing the greenhouse effect than was that of the CFCs themselves due to their shorter lifetimes in the atmosphere and lower global warming potentials.
CFCs have been found to be highly effective at destroying the ozone layer, which protects the earth from harmful UV radiation.
As a result, they have been phased out as refrigerants and other uses. However, the replacements for CFCs, such as hydrochlorofluorocarbons (HCFCs) and hydrofluorocarbons (HFCs), are themselves greenhouse gases.
HCFCs and HFCs have shorter lifetimes in the atmosphere and lower global warming potentials than CFCs, which means that their effects on climate change are less severe.
While they are not ideal replacements, they are currently the best options available for many uses, and efforts are being made to find alternatives that are even less harmful to the environment.
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If we compare photosynthesis and cellular respiration in terms of energy conversions involved, we observe that in ______________.
a
cellular respiration, carbon dioxide is used to produce energy.
b
photosynthesis, glucose is used to produce carbon dioxide.
c
photosynthesis, radiant energy is used to produce glucose and oxygen.
d
cellular respiration, energy is used to produce oxygen.
Answers
Answer:
c
Explanation:
Write two differences between relative and absolute conservation.
Answers
Answer:
The difference between relative conservation and absolute conservations is,
Relative conservation is a concept that consumption and conservation should be conducted together in o\an integrated way and absolute conservation is the conservation without consumption approach for the protection of the environment.
Explanation:
While,
Absolute conservation is the conservation without consumption approach for the protection of the environment.
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According to the picture above, which of the following species are most closely related?
A and E
B and D
D and E
A and B
Answers
They eat and drink out of vessels of earth or glass, which make an agreeable appearance, though formed of brittle materials; while they make their chamber-pots and close-stools of gold and silver, and that not only in their public halls but in their private houses. of the same metals they likewise make chains and fetters for their slaves, to some of which, as a badge of infamy, they hang an earring of gold, and make others wear a chain or a coronet of the same metal; and thus they take care by all possible means to render gold and silver of no esteem . . . â€"utopia, thomas more which details develop the central idea by giving examples of ways the utopians make gold and silver less valuable? check all that apply. the utopians drink from glass cups. the utopians make chamber-pots out of gold. the utopians have public halls and private houses the utopians use gold to chain enslaved people. the utopians work hard to make gold and silver seem less valuable.
Answers
Answer:
B, and D
The Utopians make chamber-pots out of gold.
The Utopians use gold to chain enslaved people.
Explanation:
Answer:xB and D: The Utopians make chamber-pots out of gold.The Utopians use gold to chain enslaved people.
Explanation:I hope it helps 2023
Marsupials are animals that __________. A. are foreign to a particular place B. are native to particular place C. carry their young in pouches D. have no natural predators
Answers
Answer:
C
Explanation:
carry their young in pouches
Answer:
C. Carry their young in pouches
Explanation:
edge 2022
Color blindness, a sex linked trait, apears more often in __________ than in ____________.
a) males, females
b) females, males
c) Neither
Answers
Answer:
I think I am not so sure about it but I think it is B if not I think A
The two waves are on two identical strings with the same tension. Identify which wave is high frequency and which wave is low frequency. What is the relationship of wavelength and frequency? Use the pictures to justify your answer.
Answers
(a) If the tension of the two waves is the same, the wave with higher frequency will be the wave with smaller mass per unit length.
(b) The frequency of a wave is inversely proportional to the wavelength of the wave.
Relationship between tension and frequencyThe frequency of a wave in string is given as;
f ∝√T/μ
where;
f is frequency of the waveT is tension in the stringμ is mass per unit length of the stringThus, if the tension of the two waves is the same, the wave with higher frequency will be the wave with smaller mass per unit length.
Relationship between wavelength and frequencyThe relationship of wavelength and frequency is given by the following formula;
f = v/λ
where;
f is frequency of sound wavev is speed of the sound waveλ is wavelength of the sound waveThus, the frequency of a wave is inversely proportional to the wavelength of the wave.
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Who is given credit for the basic design of the periodic table of the elements?
John Dalton
Gregor Mendel
Dmitri Mendeleev
Ernest Rutherford
Answers
Answer:
the answer is C Dmitri Mendeleev
Explanation:
Please help I’ll mark Brainiest also picture above
Answers
Answer:
The answer for both questions should be B
Explanation:
Hope this helps ☺
children with disruptive mood dysregulation disorder are most at risk for later developing
Answers
Children with disruptive mood dysregulation disorder (DMDD) are most at risk of developing depression or anxiety in later life.
What is disruptive mood dysregulation disorder (DMDD)?
Disruptive mood dysregulation disorder (DMDD) is a condition that affects children aged 6 to 18 years. It's a condition characterized by severe and frequent temper outbursts that don't match the situation. Children with DMDD experience temper outbursts three or more times per week for more than one year.
The temper outbursts usually include verbal or physical aggression and may occur in response to minor irritations.
Signs and Symptoms of DMDD :
The signs and symptoms of disruptive mood dysregulation disorder include:Severe temper outbursts that occur frequently and don't match the situation Irritability or anger almost all day on most days Chronic negative mood, such as sadness or irritability Difficulty in functioning at home, school, or social gatherings.Low self-esteem, feeling hopeless or not being able to cope with stress Frequent complaining of headaches or stomachaches DMDD is usually diagnosed in children aged between 6 and 10 years old. The condition can last for several years and can lead to problems in the child's relationships, education, and home life.
Conclusion Therefore, children with disruptive mood dysregulation disorder are most at risk of developing depression or anxiety in later life.
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Pathways that transmit sensory impulses are also called ______ pathways because the information travels from sensory receptors superiorly through the spinal cord to the brain.
Answers
Answer:
Ascending pathway
Explanation:
Sensory pathways are ascending pathways
how does the human body return carbon to the atmosphere in the carbon cycle?
Answers
Answer:
There is a constant exchange of carbon from the abiotic and biotic environmental elements to the atmosphere. The breakdown of glucose is known as cellular respiration, and creates the byproduct carbon dioxide. This exhaled carbon dioxide is the method by which humans return carbon to the carbon cycle.
Explanation:
3. Imagine that your neighbor is moving out
of their house. Where are they most likely
moving?
Answers
Answer:
same county because its the highest percent
If you had to determine if these cells were archaea or bacteria, which would be a good clue that the cells are archaea
Answers
Historically, archaea were referred to as archaebacteria and were categorized as bacteria. However, it was found that, in contrast to bacteria, archaea have a unique evolutionary history.
What are the differences between archaea and bacteria?A domain or kingdom of unicelled microbes is called the Archaea. Since these microorganisms are prokaryotes, their cells lack a cell nucleus and any other membrane-bound organelles. A significant portion of prokaryotic microorganisms are bacteria. Bacteria come in a variety of shapes, and are typically only a few micrometers long.Archaea live in extreme environments such as hot springs, gut of ruminants and humans, marshland etc. Bacteria are ubiquitous, they are found everywhere.Learn more about archaea here:
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Why
volcanoes
form at
divergent
boundaries?
Answers
Answer:
Volcanoes tend to form at divergent boundaries because this is where two tectonic plates are moving apart from each other.
When this happens, magma from the Earth's mantle rises up to fill the gap that is created between the two plates. As the magma continues to rise, it eventually reaches the Earth's surface and forms a volcano.
Intense heat and pressure that is created by the movement of the tectonic plates can also cause the magma to erupt and create a volcanic eruption.
Explanation:
- Which of the following organisms is NOT characteristic
of the sandy beach?
clams
barnacles
crabs
worms
Answers
Answer:
worms, maybe barnacles
Explanation:
What is the allele for blue eyes?.
Answers
Answer:
Bb or BB
Explanation:
As the blue eyes are dominant it will be represented with a capital letter
one consequence of starvation is reduction in muscle mass. what happens o the muscle proteins
Answers
During this process of starvation, the muscle proteins are broken down and used by the body as a source of energy to maintain essential functions.
During starvation, the body's energy reserves are depleted, and it begins to break down its own tissues, including muscle tissue, to provide energy for vital functions. The reduction in muscle mass during starvation is primarily due to the breakdown of muscle proteins.
Muscle proteins are made up of long chains of amino acids, and the breakdown of these proteins releases amino acids that can be used as an energy source for other tissues in the body. The amino acids are transported to the liver where they can be converted into glucose through a process called gluconeogenesis, which can then be used as a source of energy for the brain and other organs.
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the primary purpose of cellular respiration in living organisms is to
Answers
the primary purpose of cellular respiration in living organisms is to produce biologically useful energy in the form of ATP. it takes place in mitochondria and cytoplasm.
Through a sequence of chemical processes called cellular respiration, glucose is broken down to create ATP, which can then be used as energy for a variety of bodily functions. Glycolysis, the citric acid cycle, and oxidative phosphorylation are the three primary phases of cellular respiration. The citric acid cycle happens in the mitochondrial matrix, oxidative phosphorylation takes place on the inner mitochondrial membrane, and glycolysis happens in the cytoplasm. Glucose, ATP, and NAD+ are the initial reactants and ATP and water are the end products of cellular respiration. Phosphofructokinase-1, pyruvate dehydrogenase, and isocitrate dehydrogenase are the enzymes that control the rate of cellular respiration.
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On a sunny day, Emma is cutting branches from a tree in her yard. At midday, she takes a break, leaving a pile of branches and leaves on the ground. When she returns and gathers the branches, she notices the leaves are wilted and crisp.
Answers
Answer:
The warm temperature caused moisture to evaporate from the leaves
Explanation:
The three parts of the diagram above are in chronological order. In the space below,
identify the blue segment and the yellow segment, then describe and explain the
process that has occurred. (a four to six sentence paragraph is expected!)
Answers
Transcription is the copy process of a segment of the DNA template strand to produce mRNA. The blue segment is DNA, and the yellow segment is mRNA.
What is transcription?The first step before protein arrangement is to synthesize messenger RNA, mRNA.
Transcription is the synthesis of the messenger RNA, mRNA. This event occurs in the nucleus and uses fragments of DNA molecules to do it.
When the DNI molecule separates into two strands to form the transcription bubble, we can identify two separate segments: the coding strand and the template strand.
The coding strand goes in direction 5' to 3', The complementary strand -template strand- grows in direction 3' to 5'.
The template strand is the one that is going to be complemented by the mRNA. RNA polymerase is in charge of reading the original DNI strand for mRNA synthesis.
mRNA molecule grows complementing DNA base sequences. This is,
DNA mRNA
adenine ⇔ uracil
guanine ⇔ cytosine
thymine ⇔ adenine
cytosine ⇔ guanine
Once mRNA synthesis is over, the molecule leaves the nucleus to start the transcription process in the cytoplasm.
Answer:
The blue segment is DNA moleculeThe yellow segment is mRNA molecule1- DNA molecule
2- Separation of the DNI molecule into two strands and mRNA molecule growing.
3- mRNA molecule already synthesized and separated from DNA
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What conclusion can be made based off of DNA profiling.
Answers
Answer: somebody’s race
Explanation:
Scientists do it
DNA is present in the chromosome in gene's of the body
9. The nitrogen cycle relies on various organisms carrying out very specific 7 points
functions. One vital group is the nitrogen-fixing bacteria. Which of the
following explains how the nitrogen cycle would be disrupted if there were
a sudden population explosion of nitrogen-fixing bacteria? *
A. A population explosion of nitrogen-fixing bacteria would lead to a decrease in
ammonium levels in the water, which will cause the water to become very acidic.
B. A population explosion of nitrogen-fixing bacteria would cause dissolved nitrogen
levels in the water to increase
C. A population explosion of nitrogen-fixing bacteria would cause dissolved oxygen
and dissolved carbon dioxide levels to decrease.
D. A population explosion of nitrogen-fixing bacteria would cause ammonia levels to
rise, which can be detected by testing the ammonia levels in the water.
Answers
Answer:
B. A population explosion of nitrogen-fixing bacteria would cause dissolved nitrogen
levels in the water to increase.
A population explosion of nitrogen-fixing bacteria would cause dissolved nitrogen levels in the water to increase. The correct option is B.
What are nitrogen-fixing bacteria?Prokaryotic microorganisms called nitrogen-fixing bacteria are able to convert atmospheric nitrogen gas into "fixed nitrogen" molecules like ammonia that plants may use.
The purpose of nitrogen-fixing bacteria is to provide plants with a crucial nutrient that they are unable to receive naturally from the air.
Microorganisms that fix nitrogen can obtain assimilative N for plants in a way that crops cannot. It is absorbed by bacteria from the atmosphere as a gas and released to the soil, mostly as ammonia.
If nitrogen-fixing bacteria suddenly went through a population explosion, the nitrogen cycle would be interrupted since this would result in higher levels of dissolved nitrogen in the water.
Thus, the correct option is B.
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which of these is an example of duplicate recessive epistasis? please choose the correct answer from the following choices, and then select the submit answer button. answer choices
Answers
a. Coat color in Labrador retrievers is an example of duplicate recessive epistasis.
In Labrador retrievers, the presence of recessive alleles at two different loci (B and E) leads to the expression of a specific phenotype. The B locus determines whether the coat color is black (BB or Bb) or brown (bb), while the E locus determines whether the coat is pigmented (E_) or yellow (ee). When Labrador retrievers have recessive alleles at both loci (bb and ee), it results in a yellow coat color, overriding the influence of the black coat color allele. This interaction between recessive alleles at different loci exemplifies duplicate recessive epistasis.
This example demonstrates how the presence of specific combinations of recessive alleles at different loci can influence the phenotype, showcasing the concept of duplicate recessive epistasis.
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The complete question is:
Which of the following is an example of duplicate recessive epistasis?
a. coat color in Labrador retrieversb. color in squashc. albinism in snailsd. seed shape and seed color in pease. No example of duplicate recessive epistasis is provided.How would the following affect GDP and what component of
GDP is it?
a) The government increases spending on the military.
b) A student purchases a pair of new shoes from the store.
c) A business invests in better machines
d) America increases tariffs on foreign goods.
Answers
Answer:
B
Explanation:
GDP is the money that country makes per annual
Each of the following is true about Ras except:______
a. Ras activates a cascade of phosphorylation events within the cell.
b. Ras is monomeric. Ras is activated by Sos, a guanine nucleotide exchange factor.
c. Ras activity is inhibited by GTPase activating proteins (GAPs).
d. Ras binds steroid hormones.
Answers
Answer:
c) Ras Binds steroid hormones
Explanation:
Ras which belongs to a protein family, which are used in the transmission of the signal within the animal cell. It should be noted that The protein in Ras is associated to Gpase.
The characteristics of Ras are:
✓ Ras is activated by Sos, a guanine nucleotide exchange factor
✓Ras activates a cascade of phosphorylation events within the cell
✓ Ras is monomeric
✓ Ras activity is inhibited by GTPase activating proteins.
Therefore, all the options are true about Ras except C.
Fill in the blank. According to ______ theory, when we learn something new, a neurochemical memory trace forms, but over time this trace disintegrate
Answers
Answer: Decay
According to Decay theory, when we learn something new, a neurochemical memory trace forms, but over time this trace disintegrate
Jamie is writing a research paper about wind patterns which digital resource should he consult
Answers
Answer:
Us goverenment article
Explanation: