The Hardy-Weinberg condition that is easiest to meet for a biologist studying a small fish population in the lab is no gene flow, option C is correct.
No gene flow refers to the absence of migration or movement of genes between populations. In a lab setting, it is relatively easier to control and isolate fish populations, preventing the introduction or exchange of genes from external sources. This can be achieved by maintaining closed systems, where fish populations are kept separate from other populations, ensuring no genetic material is exchanged.
On the other hand, meeting the conditions of "no selection," "no genetic drift," "no mutation," or "random mating" may be more challenging to achieve in a controlled laboratory environment due to factors such as limited genetic diversity, genetic drift in small populations, mutation rates, and behavioral constraints on mating, option C is correct.
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Which of the following contributes the most to the total calories burned in a day?
Select one:
a. Thermic effect of food
b. Nonexercise activity thermogenesis
c. Exercise d. Resting metabolic rate
Resting metabolic rate contributes the most to the total calories burned in a day. The resting metabolic rate is the energy that is utilized by the body at rest, especially by the cells to maintain the necessary body functions. The correct answer to the given question is option d.
It is the minimum energy that the body needs to keep functioning to maintain a healthy life. It is calculated by the number of calories that the body burns when it is at rest, and when it is not digesting any food. Non-Exercise Activity
Thermogenesis: It is the energy that is expended by the body for doing non-exercise activities like cooking, fidgeting, gardening, and walking from one place to another.
Thermic Effect of Food: It is the energy that is expended by the body during the digestion, absorption, and transport of food. It takes up approximately 10% of the total calorie expenditure. It varies depending on the type of food consumed.
Exercise: It is the energy that is expended by the body during physical activity, which includes anything from running, cycling, swimming, and weightlifting. It is the only factor that can be manipulated and increased, thus, can contribute to burning the most amount of calories after the resting metabolic rate, but still is less as compared to the Resting Metabolic Rate (RMR) is a vital factor that determines the energy requirements of the body at rest. It is the energy that is expended by the body for the basic functioning of the cells and tissues, which includes breathing, heart rate, and body temperature regulation.
Resting metabolic rate contributes the most to the total calories burned in a day. The second most crucial factor is non-exercise activity thermogenesis (NEAT), which is the energy that is expended by the body for doing non-exercise activities like cooking, fidgeting, gardening, and walking from one place to another. The thermic Effect of Food is the energy that is expended by the body during the digestion, absorption, and transport of food. It takes up approximately 10% of the total calorie expenditure. It varies depending on the type of food consumed.
Exercise is the energy that is expended by the body during physical activity, which includes anything from running, cycling, swimming, and weightlifting. It is the only factor that can be manipulated and increased, thus, can contribute to burning the most amount of calories after the resting metabolic rate, but still is less as compared to the Resting Metabolic Rate.
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5) Describe crossing-over. When does crossing-over occur? What is the result?
Answer:
Crossing over occurs between prophase I and metaphase I and is the process where two homologous non-sister chromatids pair up with each other and exchange different segments of genetic material to form two recombinant chromosome sister chromatids.
Explanation:
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3. Which bonds would allow the mineral to scratch glass, peel apart, express malleability and produce very soft type minerals? 4. How does the type of mineral bond relate to mineral physical propertie
The bonds that would allow the mineral to scratch glass, peel apart, express malleability and produce very soft type minerals are metallic bonds, ionic bonds, and covalent bonds.
A metallic bond occurs when metal atoms share electrons with one another to form a sea of electrons that hold the atoms together. They allow the mineral to be malleable and ductile, which is why metals can be easily hammered into different shapes. Metallic bonds are responsible for the hardness, strength, and conductivity of minerals.
Ionic bonds occur when one atom transfers electrons to another atom. In the process, the two atoms become positively and negatively charged ions, which attract each other. Ionic bonds are responsible for the hardness, strength, and brittleness of minerals. They allow the mineral to be scratched or cleaved along specific planes.
Covalent bonds occur when two atoms share electrons with each other. This type of bond is the strongest type of bond and allows the mineral to be very hard and difficult to break. Covalent bonds are responsible for the hardness, strength, and thermal conductivity of minerals.
The type of mineral bond relates to mineral physical properties as follows:
- Hardness: Minerals that have strong covalent bonds tend to be the hardest minerals.
- Brittleness: Minerals that have strong ionic bonds tend to be brittle.
- Malleability and ductility: Minerals that have strong metallic bonds tend to be malleable and ductile.
- Cleavage: Minerals that have strong ionic bonds tend to cleave along specific planes.
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Which is a shorter process - (circle one) selective breeding or natural selection?
Explain your answer.
Answer:
Selective breeding.
Explanation:
Both are fairly long processes, however, the measurement for this is not just the duration to obtain the target, but also the exact target obtained. In natural selection, the duration may be faster than selective breeding in obtaining a change, but the determined change may not be the one that is sought out for. It may have a small chance, but it is not guaranteed. In selective breeding, on the other hand, the destination is determined, and all steps work towards the objective. So in a sense, selective breeding has the greater percentage chance of being the shorter process.
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You are looking under the microscope and see a stringy multicellular organism. The eye piece is 10X, and the objective length is 40X. What is the magnification? a.50X b.400X
c. 500X d.40X
The correct answer is B. 400X. looking under the microscope and see a stringy multicellular organism. The eye piece is 10X, and the objective length is 40X.
Multicellularity refers to the organizational structure found in organisms composed of multiple cells. It is a fundamental characteristic of complex life forms, including plants, animals, and fungi. Multicellular organisms are comprised of specialized cells that work cooperatively to carry out various functions necessary for survival and growth. These cells communicate and coordinate their activities through complex signaling mechanisms, allowing for efficient distribution of resources and division of labor.
Multicellularity enables organisms to achieve greater complexity and adaptability, as specialized cells can perform specific tasks more effectively than individual cells. This organizational structure also provides advantages such as increased size, improved nutrient uptake, enhanced defense mechanisms, and the ability to develop and maintain complex tissue systems.
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Can someone help me with this one??
"Construct an explanation based on evidence for how the principles impact the
process of natural selection"
Answer:
The principles are responsible for the natural selection of organisms.
Explanation:
The principles greatly impact the process of natural selection because these principles are responsible for the natural selection of organisms. If the organisms have all the principles of natural selection, it has more chances of survival as compared to other organisms due to the presence of the favourable characteristics. These favourable characteristics helps the organisms to increase in population because the environment is suitable for them or in other words the organisms can tolerate that environment better than other organisms. for example, polar bear survives in the polar regions because they have a thick skin full of hair that helps in the survival on the cold regions, it is an act of natural selection.
The most abundant bulk elements that make up the vast majority of living organisms are 46 Multiple Choice 00:40:16 O carbon, oxygen, sulfur, and calcium. erences O carbon, oxygen, iron, and chlorine. O carbon, hydrogen, oxygen, and nitrogen. O carbon, hydrogen, oxygen, and calcium. O carbon, hydrogen, iron, and calcium.
The most abundant bulk elements that make up the vast majority of living organisms are carbon, hydrogen, oxygen, and nitrogen.
What is an element?
An element is a type of pure substance that can not be broken down into simpler materials by chemical means. Elements are the most basic substances available; they can not be split into smaller pieces without losing their properties.
What are the abundant elements that make up the majority of living organisms?
The most abundant bulk elements that make up the vast majority of living organisms are carbon, hydrogen, oxygen, and nitrogen. Carbon is the fundamental building block of all organic molecules, whereas oxygen, hydrogen, and nitrogen are commonly found in organic and inorganic molecules in organisms.
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Consider the following chemical reaction: Hb + O2 → HbO2 When this reaction is going from right to left, what process is occurring?
O a. oxygen unloading
O b. cellular respiration
O c. pulmonary ventilation
O d.oxygen loading
Answer: A, Oxygen Unloading
When you hear a phone number and write it down, your brain uses: ____
A. long-term memory.
B. eidetic memory.
C. flashbulb memory.
D. short-term memory.
Answer:
D. short-term memory.
Explanation:
When you hear a phone number and write it down, your brain uses short term memory.Short-term memory refers to the things that people are thinking about in the moment and that are available during a small period as it has a limit to what you can hold. According to this, when you hear a number and write it down your brain uses short-term memory because it is a recent event that you remember in the moment but that you will forget after a period of time.
What is the percent chance the offspring will be tall plants with yellow fruit? (2nd question)
Answer: 25% YOUR RIGHT, UNLESS IT IS 75%
Explanation:
Fhotosynthesis
Coefficients are important in chemical
equations. They tell us how many molecules
are needed & created in a reaction.
For the next code, identify how many
molecules are needed for each reactant and
product
Sun's Energy
Answer:
6CO2 + 6H20 ---> C6H12O6 + 6O2
Explanation:
need help asap please :( I think its C but I don't think that's right
Which of the following most correctly represents biomanipulation through the top-down model?
Addition of quaternary consumers, so that tertiary consumers can decrease
Removal of tertiary consumers, so that secondary consumers can increase
Addition of primary producers, so that secondary consumers can increase
Removal of secondary consumers, so that tertiary consumers can increase
Answer: I am taking this flvs test right now and I think it might be A or B
I think the final answer would be A
Explanation:
The reason I don't think its C because the addition of primary producers wouldn't directly affect secondary consumers. It would first affect the primary consumers.
The only answer that would directly affect a certain group is A.
is plasma the liquid portion of blood?
Answer:
Plasma is the liquid portion of blood. About 55% of our blood is plasma, and the remaining 45% are red blood cells, white blood cells and platelets that are suspended in the plasma.
Explanation:
Answer: Plasma is the liquid portion of blood.
Explanation: About 55% of out blood is plasma, and the remaining 45% are red blood cells, white blood cells and platelets that are suspended in the plasma.
a) Which of the three types of organisms (multicellular, unicellular and colonial) would have
been the earliest form of life?
Answer:
unicellular...lemme know if am right
How long dos it take for carbon to become a fossil fuel? how many steps are involved?
It takes more than 100 million years for carbon to become a fossil fuel. The fossil fuel formation process comprises of several steps, which include the following:
Step 1: Formation of Organic MatterThe first step in the formation of fossil fuels is the accumulation of dead organic matter. The organic matter can be animal or plant debris, such as algae, plankton, leaves, and other organisms.Step 2: Burial of Organic MatterThe second step is the burial of organic matter. As dead organic matter settles to the bottom of the ocean or a lake, it becomes buried under sediment. The sediment protects the organic matter from oxidation or decomposition by microorganisms.
Step 3: Heat and PressureThe third step involves the transformation of organic matter into fossil fuels by heat and pressure. When organic matter gets buried, the heat and pressure begin to increase. The weight of the overlying sediment causes the temperature and pressure to increase steadily. This process drives off the volatile compounds from the organic matter, leaving behind carbon-rich fossil fuels.Step 4: Formation of Fossil FuelsThe final step is the formation of fossil fuels. The transformation of organic matter into fossil fuels may take several hundred thousand to several million years, depending on the temperature, pressure, and chemical composition of the organic matter. When organic matter gets transformed into fossil fuels, it becomes coal, oil, or natural gas.
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When is the production of genetically identical offspring a disadvantage? Explain your reasoning.
Answer: In an unstable or unpredictable environment asexually-reproducing species may be at a disadvantage because all the offspring are genetically identical and may not have the genetic variation to survive in new or different conditions. In an unstable or unpredictable environment asexually-reproducing species may be at a disadvantage because all the offspring are genetically identical and may not have the genetic variation to survive in new or different conditions.
Explanation:
The correct answer for the given question about Asexual Reproduction is "Production of genetically identical offspring is a disadvantage in an unstable or unpredictable environment".
What is Asexual Reproduction?Asexual reproduction refers to a type of reproduction when a child is born to a single parent. The newly created people are clones of their parents since they have the same genetic and physical characteristics.Both multicellular and unicellular species can reproduce asexually. There will be no gamete fusion involved in this procedure, and the number of chromosomes will remain the same. With the exception of specific situations where there is a possibility that a rare mutation may occur, it will inherit the same genes as the parent.So we can conclude that as all of the offspring are genetically identical and could not have the genetic variation to thrive in novel or changing environments, asexually reproducing animals may be at a disadvantage in an unstable or unpredictable environment.
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How does global warming affect the oceans?
Answer:
The ocean absorbs most of the excess heat from greenhouse gas emissions, leading to rising ocean temperatures. Increasing ocean temperatures affect marine species and ecosystems. Rising temperatures cause coral bleaching and the loss of breeding grounds for marine fishes and mammals.
Explanation:
Explanation:
please remember to write it in your own words
Which of the following is not a line of evolutionary evidence supported by empirical evidence?
a. How similar DNA is between organisms
b. The length of the organism’s life
c. Where fossils are found
d. How similar the organisms were as embryos
Answer:c where fossils are found
Explanation:
Where fossils are found is not a line of evolutionary evidence supported by empirical evidence. Therefore, option C is correct.
What are fossils ?Any surviving remains, impression, or evidence of a once-living thing from a previous geological epoch is referred to as a fossil. Examples include exoskeletons, bones, shells, animal or microbe imprints in stone, items preserved in amber, hair, petrified wood, and DNA traces. The fossil record is the collection of all fossils.
Shells, bones, animal or microbe imprints in stone, exoskeletons, items preserved in amber, petrified wood, coal, hair, oil, and DNA traces are a few examples of fossils.
The majority of fossils are created when a living thing (such as an animal or plant) dies and is swiftly buried by sediment (such as mud, sand or volcanic ash).
Thus, option C is correct.
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Question 29 (2 points) Listen Recent, newer discoveries of oil resources tend to have which characteristics? They are deeper, farther, more expensive, and more dangerous to access and extract. They are cheaper, closer, cheaper, and safer to access and extract. They are in locations that would not be harmed if a spill were to occur. None of the above
Recent, newer discoveries of oil resources tend to have the characteristic of being cheaper, closer, cheaper, and safer to access and extract. These resources are discovered through the exploration and drilling of new oil fields.
Explorers are always searching for new and it is difficult to determine the exact location of a deposit until it has been discovered. Recent, newer discoveries of oil resources have been found to be less expensive and easier to extract than oil from older, established fields. This is due to advances in technology and the development of new drilling techniques.
In addition, newer oil fields tend to be closer to population centers, making it easier to transport the oil to refineries and processing plants. They are also often located in areas that are less environmentally sensitive, reducing the risk of spills and other environmental damage.
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List 2 organelles found in an animal cell and explain how those 2 organelles benefit the cell.
Answer:
I chose nucleus and the mitochondria
Explanation:
The nucleus is particularly important among eukaryotic organelles because it is the location of a cell's DNA. Two other critical organelles are mitochondria and chloroplasts, which play important roles in energy conversion and are thought to have their evolutionary origins as simple single-celled organisms.
Have a great day! :)
Cell includes a cell membrane, cytoplasm and cell organelles. Cell organelles are mitochondria, golgi bodies, nucleus, ribosomes, vacuoles, lysosomes, centrioles, etc.
What are cell organelles?Cell organelles are the structures present in cell that are responsible to carry out necessary processes and maintains homeostasis.
This can include nucleus, mitochondria, golgi bodies, ribosomes, etc.
Nucleus: Nucleus is a membrane bound cell organelle that contain an entangled thread like structure called as chromatin material. This chromatin material condenses at the time of cell division and forms chromosomes. Nucleus also contain nucleolus that helps in formation of ribosomal units. it contains a fluid called as nucleoplasm.Ribosome is the organelle that is involved in formation of protein. It has two subunits i.e. a smaller one and a bigger one. these subunits are joined at the time of protein synthesis and are formed in nucleolus of nucleus.
Thus, these were explanation of two cell organelles along with their explanation.
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is gold a insulator or a Conductor
Answer:
Hey mate......
Explanation:
This is ur answer......
Gold is a poor insulator and a good conductor, having a resistivity of 22.4 billionths of an ohm-meter. As with lead, gold is widely used to make electronic contacts. Unlike many other metals, it is very chemically stable and resists the corrosion that degrades other types of electrical connectors.
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I need help with this
Answer:
dna and of its traits
Explanation:
How did beadle and tatum’s work on auxotroph’s suggest that metabolism was controlled by protein enzymes?
Beadle and Tatum's work on auxotroph's suggested that metabolism was controlled by protein enzymes by identifying the link between genes and enzymes. This theory is also referred to as "one gene, one enzyme hypothesis" as stated in their experiment.
The experiment was conducted using a bread mold called Neurospora crassa, where they grew the mold on a minimal growth medium that lacked specific nutrients. The scientists observed that certain mutations in the mold led to the inability to grow on this minimal growth medium. They identified the mold that could grow on a medium containing arginine, but failed to grow on a medium that lacked arginine. They then discovered that the mutated molds were deficient in producing specific enzymes required to produce arginine and could only grow on a medium containing arginine.Since the mutants required a specific nutrient that the wild types did not, Beadle and Tatum postulated that the mutations were caused by altered or disrupted genes that affect the enzymes produced by these genes.
Thus, the mutants were unable to produce the required enzymes, which resulted in their inability to grow on the minimal growth medium. Therefore, the experiment concluded that one gene encoded for one enzyme which was responsible for controlling the metabolic pathway of producing arginine. The experiment showed that each gene encoded for a specific enzyme in the metabolic pathway that controlled the production of arginine.
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At which trophic level are woodmice and grey squirrels?
Answer:
Primary Consumers
Explanation:
PLEASE HELP
I WILL GIVE YOU BRAINLIEST
Answer:
Most cells in our body have two versions of each chromosome (Body cells). These cells are called diploid. We grow and replace these cells with identical cells through a cell division called mitosis.
For sexual reproduction, we need to make cells that have only one version of each chromosome (sex cells). These cells are called haploid. These unique cells are made through a cell division called meiosis.
Explanation:
haploid = 1
diploid= 2 // "di"=2
our body contains 46 chromosomes, half from our dad and a half from our mom. our repoductive contains 23 chromosomes.
In the photo of the wind sculpture; why are there bigger rocks
balancing on smaller rocks? How does the wind alone create this
shape?
Answer:
by sedimentation of rock molecules which is transferred by wind
OR
by forming naturally process
Explanation:
provide an example for learned behavior and for instinct.
Answer: Learned behaviors are modified by previous experiences; examples of simple learned behaviors include habituation and imprinting.
Examples of this include a dog shaking after it gets wet, a sea turtle seeking out the ocean after hatching, or a bird migrating before the winter season. In humans, many reflexes are examples of instinctive behaviors.
Explanation:
Answer:
Hello There!!
Explanation:
An example for instinctive behaviour is nest building in birds and for learned behaviour an example can be playing an instrument.
hope this helps,have a great day!!
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Air moves through this passage to the lungs.In what body system does it play a role?
A.digestive
B.skeletal
C.endocrine
D.eespiratory
The diagram shows the complete classification for the red
fox. The names for some of the taxa are missing.
Eukarya
?
Animalia
Phylum
Chordata
Class
Mammalia
Order
Carnivora
Family
Canidae
?
Vulpes
?
Vulpes vulpes
If species is the most specific group shown in the diagram, what is the
scientific name of the red fox species?
Answer:
Kingdom
Explanation:
Answer:
Kingdom
Explanation:
A-P-E-X
A person with O type blood will have all of the following characteristics
except
Their genotype will be ii
There are no antigens on their blood cells
They can donate their blood to a person with AB blood
They can receive type A blood
Answer:
I'm O+
Explanation:
AB and A blood
O+ is universal so we can donate to anyone but only receive A and B blood