The two water biomes are the marine biome and the ocean biome.
a. true
b. false
17 Answer:
A lichen is a combination of an alga and a fungus growing together.
a. true
b. false
18 Answer:
Musk oxen, lichens, and lemmings would be found in a grassland.
a. true
b. false
19 Answer:
Oaks, maples, beeches, and hickories are usually found in a
tropical rain forest.
a. true
b. false
20 Answer:
Winter temperatures may drop below freezing in a desert.
a. true
b. false

A plant cell type that is specialized for a specific function is the mesophyll cells in the leaves, which contain many chloroplasts to perform photosynthesis.

Cell differentiation refers to the specialization by which cells can perform specific functions.

Mesophyll cells in the plant leaves are specialized cells that contain chloroplasts, which are organelles where photosynthesis occurs.

In conclusion, a plant cell type that is specialized for a specific function is the mesophyll cells in the leaves, which contain many chloroplasts to perform photosynthesis.

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Answer:

Explanation:2.  the geological time scale, the ridiculously complex scale we use to describe and divide the history of the Earth into different sections.

3. The four key points of Darwin's Theory of Evolution are: individuals of a species are not identical; traits are passed from generation to generation; more offspring are born than can survive; and only the survivors of the competition for resources will reproduce.

4. The concept of fitness as a measure for a species’ success in natural selection is central to the theory of evolution. We here investigate how reproduction rates which are not constant but vary in response to environmental fluctuations, influence a species’ prosperity and thereby its fitness. Interestingly, we find that not only larger growth rates but also reduced sensitivities to environmental changes substantially increase the fitness. Thereby, depending on the noise level of the environment, it might be an evolutionary successful strategy to minimize this sensitivity rather than to optimize the reproduction speed. Also for neutral evolution, where species with exactly the same properties compete, variability in the growth rates plays a crucial role. The time for one species to fixate is strongly reduced in the presence of environmental noise. Hence, environmental fluctuations constitute a possible explanation for effective population sizes inferred from genetic data that often are much smaller than the census population size.

Mutations within the DNA sequence of an organism can result in alterations that are harmful to an organism, resulting in alterations that do not affect the organism. Therefore option c is correct.

Mutations within the DNA sequence of an organism can result in a range of outcomes.

Some mutations can be harmful, leading to changes in protein structure or function that negatively impact the organism's survival or reproductive success.

Other mutations may have no significant effect on the organism, particularly if they occur in non-coding regions or are "silent" mutations that do not change the amino acid sequence.

Additionally, mutations can be beneficial, providing advantageous traits that enhance the organism's adaptation to its environment or improve its reproductive fitness.

The variability in mutation outcomes is a fundamental driver of genetic diversity and evolution in populations.

Therefore option C all of the above is correct.

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The animal who has a dream containing the ideas of animalism and represents Karl Marx is Old Major, a boar, in George Orwell's novel "Animal Farm."

In the novel "Animal Farm," Old Major serves as an allegorical representation of Karl Marx, the philosopher and economist who laid the foundation for the ideology of communism. Old Major's character is based on Marx's role in inspiring the concept of Marxism.

Old Major is depicted as an aging and wise boar who gathers the animals of Manor Farm together to share his vision of a world free from human exploitation. He delivers a passionate speech promoting the idea of "animalism," which advocates for the equality and liberation of all animals from the tyranny of humans. This mirrors Karl Marx's vision of a society free from class struggle and oppression.

The dream that Old Major has in the novel serves as a metaphorical representation of Marx's Communist Manifesto, in which Marx outlines his theories on class struggle and the revolution of the working class against the ruling bourgeoisie. Old Major's dream inspires the animals to rebel against their human oppressors and establish their own self-governing society based on the principles of animalism.

By attributing the ideas of animalism and the revolutionary spirit to Old Major, George Orwell draws a parallel between the animal characters and the historical figures and events of the Russian Revolution and the subsequent establishment of a communist regime. Through this allegory, Orwell critiques the corruption and distortion of Marxist ideals in the Soviet Union.

In conclusion, Old Major, the boar who has a dream containing the ideas of animalism, represents Karl Marx in "Animal Farm" and symbolizes the revolutionary spirit and ideals of communism that influenced the course of history.

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Answer:

well if a species has a mutation that helps it in its enviroment it will most likely live longer and get to reproduce more causing more of that same mutation therefore causing an adaptation.

Explanation:

Anabolism require energy where catabolism releases energy.

Metabolism is a vital piece of development, improvement and productive usefulness for the body. It tends to be classified into two kinds in view of their capabilities: Catabolism and Anabolism. The significant contrasts among Catabolism and Anabolism are how the atoms are used in the body. Anabolism makes particles the body needs for usefulness and it involves energy all the while. Catabolism, then again, separates complex particles and deliveries energy which is accessible for the body to utilize.

Catabolism is the arrangement of metabolic pathways that separates atoms into more modest units that are either oxidized to deliver energy or utilized in other anabolic reactions.[1] Catabolism separates huge particles (like polysaccharides, lipids, nucleic acids, and proteins) into more modest units (like monosaccharides, unsaturated fats, nucleotides, and amino acids, individually). Catabolism is the separating part of digestion, while anabolism is the structure up angle.

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(Complete question) is:

Anabolism _____energy where catabolism _______ energy.

Serial types both sand and clay soils are the most easily eroded, soils with a higher sand content or soils with high clay contents

Sand soils are generally characterized by larger particle size and lower cohesion, which can make them more prone to erosion by wind or water. On the other hand, clay soils are characterized by smaller particle size and higher cohesion, which can make them less prone to erosion by water but more prone to erosion by wind when they are dry and exposed.

The experiment data would need to include specific measurements of erosion rates, sediment loss, runoff, and other relevant parameters for both sand and clay soils under comparable conditions to make a meaningful comparison. Additionally, the experiment would need to consider other factors such as slope gradient, vegetation cover, and rainfall intensity, as these can also significantly affect soil erosion.

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Answer:

Social status, finance and interact.

Explanation:

Albert first checks the employee's social status and family background  for evidence of financial difficulties and hardships. Then he finds out that the employee works  in the finance  department where there is greater opportunity for doing financial crimes. Albert's last step is to simultaneously interview the suspect's manager, vendors, and clients, who may be know and interact with the employee.

Answer:

A cell wall, a broad central vacuole, and plastids such as chloroplasts are all present in plant cells. The cell wall is a dense layer that covers the cell and provides structural support and protection. It is located outside the cell membrane. The turgor pressure against the cell wall is maintained by the central vacuole.

Explanation:

Answer:

A cross between two heterozygote individuals, Aa x Aa Explanation: A cross between two heterozygotes individuals would produce a 1:2:1 ratio of genotypes and a 3:1 ratio of phenotypes.This is a case of complete dominance of one of the alleles over the other one. In this case, the allele A completely dominates over the allele a.

Explanation:

If 15% of the nitrogenous bases in a sample of DNA from a particular organism are thymine, DNA contains 4 types of nitrogenous bases, namely Adenine (A), Cytosine (C), Guanine (G), and Thymine (T). Therefore, the total percentage of these nitrogenous bases in DNA should be 100%.

The percentage of Thymine is given to be 15%.Now, let's calculate the percentage of Cytosine. For this, we will use Chargaff's rule which states that Adenine pairs with Thymine and Cytosine pairs with Guanine in a DNA molecule. Therefore, the percentage of Adenine and Thymine should be equal (A = T), and the percentage of Cytosine and Guanine should also be equal (C = G).

Since Adenine and Thymine percentages are equal, the percentage of Adenine (A) = 15%Percentage of Cytosine (C) = Percentage of Guanine (G)Using the above equation, we can say that C + G = 85% (Remaining percentage after the inclusion of T and A).Since C = G (as per Chargaff's rule), we can write it as: C + C = 85% or 2C = 85%C = 85/2% = 42.5%. Hence, the percentage of Cytosine in the sample of DNA should be 42.5%.

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The radioactively labeled uracil would be seen in the nucleus of the eukaryotic cell.

In eukaryotic cells, the nucleus is the organelle that contains the cell's genetic material, including DNA and RNA.

Uracil is one of the four nitrogenous bases found in RNA, and it replaces thymine found in DNA.

Since uracil is a component of RNA, which is primarily synthesized in the nucleus, the radioactively labeled uracil would be seen in the nucleus.

The nucleus of a eukaryotic cell is surrounded by a nuclear membrane, which separates it from the cytoplasm. It acts as the control center of the cell and is responsible for storing and protecting the DNA, as well as transcribing it into RNA.

Therefore, when a eukaryotic cell is exposed to radioactively labeled uracil, it would be incorporated into the RNA molecules being synthesized in the nucleus.

The radioactivity can then be detected using appropriate techniques to visualize the labeled uracil within the nucleus of the cell.

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Answer: D

Explanation: Everything in the food chain is there for a reason. Removing one thing could ruin the whole ecosystem

After a sharp decline in population, African cheetahs grew again, creating a population of cats with strikingly similar genetic makeup. this is called population bottleneck.

A population bottleneck is a significant decline in the number of a population as a result of human activity, such as targeted, widespread violence or intentional culling, and human population planning, as well as environmental catastrophes such as famines, earthquakes, floods, fires, disease, and droughts. Such occurrences can lessen the genetic diversity in a population's gene pool, leaving just a smaller population means one with less genetic diversity is to transmit genes to future generations of kids through sexual reproduction. Genetic diversity is still lower and only rises when there is gene flow from another population or very slowly as time passes and random mutations take place.

The population becomes less resilient as a result, and it becomes less able to cope with and withstand certain environmental changes, like a change in the climate or a change in the resources that are available. In contrast, if those who make it through the bottleneck are the genetically fittest people, the frequency of the fitter genes will increase within the gene pool even if the size of the pool would decrease.

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Answer:

1. Natural Source

2. Human Source

3. Natural Gas

I don't know if the third one is correct...

Answer:

D. in Animals the cell membrane pinches together

Explanation:

Answer:

A positive slope results when an individual is moving away from the origin.

Explanation:

really i dont know i just picked C and got it right

Answer:

c

Explanation:

took the test

Each system has its advantages and disadvantages, and the choice of classification system depends on the specific purpose and context in which it is being used.

Advantage:

Disadvantage:

        2. Cladistics:

Advantage:

Disadvantage:

      3. Genetic Connections:

Advantage:

Disadvantage:

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The quadrant number and location of the pig's ears is the only one that works in increments of 1 Bottom of the ear close to the tip.

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Vegetarian diets compared to animal-based diets: Plant proteins provide most of the B vitamins, fiber, phytochemicals, and monounsaturated fat; animal proteins provide B vitamins, iron and zinc, and saturated fat. The correct option is D.

Vegetarian diets may be lower in saturated fat and contain more fiber than animal-based diets. While there is no one-size-fits-all answer when it comes to comparing vegetarian and animal-based diets, research suggests that vegetarian diets can be healthy when planned properly and can offer several health benefits such as lower risks of heart disease, type 2 diabetes, and some cancers.

Vegetarian diets are generally lower in saturated fat and higher in fiber than animal-based diets, which can contribute to their potential health benefits. However, it is important to note that a well-planned vegetarian diet needs to ensure adequate intake of certain nutrients that are typically found in higher amounts in animal-based foods, such as iron and vitamin B12. The correct option is D.

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Complete question:

Which statement is most accurate in regard to the composition of plant protein as compared to animal proteins?

Option A: Plant proteins provide most of the B vitamins, fiber, and saturated fat; animal proteins provide the B vitamins, iron and zinc and saturated fat.

Option B: Plant proteins provide fiber, and saturated, monounsaturated and polyunsaturated fat; animal proteins provide the B vitamins, iron and zinc and saturated fat.

Option C: Plant proteins provide most of the B vitamins, fiber, and mono unsaturated fat; animal proteins provide the B vitamins fiber, iron and zinc and saturated fat.

Option D: Plant proteins provide most of the B vitamins, fiber, phytochemicals, and monounsaturated fat; animal proteins provide B vitamins, iron and zinc and saturated fat.

Answer:

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Answer:

It requires trolling your friends skills

Answer:

La célula eucariota tiene una membrana que encierra el núcleo separándolo del citoplasma. La célula procariota no posee estructuras con membranas en su interior, es decir, su contenido intracelular está esparcido en el citoplasma.

Answer:

eukaryote

Explanation:

chameleon cells have a nuclei

Answer:

Hope it helps

Explanation:

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Glycolysis and the citric acid cycle both produce carbon dioxide, which is a crucial byproduct (Krebs cycle). This oxidized carbon is a metabolic waste product that must finally be eliminated through transit to the lungs and subsequent exhalation into the environment.

What is the purpose of Krebs cycle?

Pyruvate is converted into three different products by the Krebs cycle: carbon dioxide, a little quantity of ATP, and the reduced molecules NADH and FADH.

Each acetyl group adds two carbon atoms to the citric acid cycle. On each cycle turn, two carbon dioxide molecules are emitted.

However, these do not include the identical carbon atoms that the acetyl group contributed on that turn of the circuit.

Therefore, carbon dioxide is constantly given off during the Krebs cycle.

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Developing sexual dimorphism in body size and plumage, in a bird, would likely be coordinated by the endocrine system rather than the nervous system.

This is because sexual dimorphism involves changes in physical characteristics that are influenced by hormones produced by the endocrine system, such as testosterone and estrogen, rather than immediate responses to environmental stimuli that are controlled by the nervous system. The other activities listed, such as doing a push-up, waving to a friend, catching a baseball, and leaping up onto the sidewalk to avoid a car, would likely be coordinated by the nervous system, as they involve immediate responses to external stimuli.
The endocrine system rather than the nervous system is "developing sexual dimorphism in body size and plumage, in a bird." The endocrine system is responsible for regulating growth, development, and reproduction, which includes sexual dimorphism. In contrast, the nervous system controls quick, immediate responses, such as doing a push-up, waving to a friend, catching a baseball, or leaping onto the sidewalk to avoid a car.

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All - growth, exchange of gases, excretion, reproduction, and death (option d).

All living organisms undergo various life processes to maintain their existence. Let's analyze each option to determine which life processes are carried out by an organism's cells:

A. Only growth and exchange of gases: While cells are involved in growth and exchange of gases, they also participate in other life processes. This option is incomplete.

B. Only growth, exchange of gases, and reproduction: Cells play a crucial role in reproduction as they are responsible for the production of gametes and the process of cell division. However, there are additional life processes that cells also undertake.

C. Only growth, exchange of gases, excretion, and reproduction: This option includes excretion in addition to growth, exchange of gases, and reproduction. Cells participate in excretion by eliminating waste materials. However, there is one more life process that cells experience.

D. All - growth, exchange of gases, excretion, reproduction, and death: This option encompasses all the mentioned life processes. Cells are involved in growth as they undergo cell division and increase in number. They exchange gases through processes like respiration. Cells excrete waste products. They participate in reproduction through the formation of gametes and cell division. Lastly, cells also experience death as they have a limited lifespan.

Therefore, the correct answer is D. All - growth, exchange of gases, excretion, reproduction, and death.

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