What causes the differences in physical characteristics like hair color among people?

different versions of genes
variations in DNA length
different numbers of chromosomes
variations in cell nucleus size

Answer:

pancreas

Explanation:

beta cells of the pancreas produce insulin

Answer:

i

Explanation:

t

Answer:

A: from one organism eating another organism

Answer:

In ecology, edge effects are changes in population or community structures that occur at the boundary of two or more habits. As the edge effects increase, the boundary habit allows for greater biodiversity.

Explanation:

Answer:

About 0.001 percent of identified microbial life.

Explanation:

The genetic (b) diversity is the variety of genes or inheritable characteristics that are present in a population.

Answer:

DNA contains thymine, and RNA contains uracil.

Answer:b

Explanation:

The steps for protein synthesis are:

-Unziping

-Transcription

-Translation

-Elogation

-Termination

1) Unziping: DNA double strand unwinds to expose a sequence of nitrogenous bases (4 the base pairs along a length of DNA separate, exposing binding sites of the bases);

2) Transcription: A copy of the DNA strand is made creating a RNA strand (1 RNA bases bind to DNA bases);

3) The exit of the mRNA made up in the second step to the cytoplasm (5 An RNA copy of the gene leaves the nucleus);

4) Translation: (2 amino acids are brought to the RNA, the mRNA and the tRNA meet to translate the nitrogeneous bases in amino acids);

5) Elogation and Termination: (3 The amino acid string folds and form a protein) the protein information from the mRNA, translated with the help of the tRNA is used for the protein synthesis in the cells cytoplasm.

Therefore, the final order for the question is: 4-1-5-2-3

Answer:

Explanation:

To solve this problem, let's represent the heterozygous yellow-seeded plant as "Yy" and the homozygous yellow-seeded plant as "YY."

i. When crossing a heterozygous yellow-seeded plant (Yy) with a homozygous yellow-seeded plant (YY), we can set up a Punnett square to determine the possible offspring genotypes:

    Y     Y

y   Yy  Yy

y   YY  YY

ii. The genotypic ratio is 2:2 or 1:1 for the possible offspring genotypes: Yy and YY.

The phenotypic ratio is also 2:2 or 1:1 for the possible offspring phenotypes: yellow-seeded (YY and Yy).

Question 2:

To determine the probability of specific outcomes, we need additional information about the parental genotypes and their inheritance patterns. Please provide the genotypes of the true breeder from F1 and the non-true breeding yellow-seeded plant for a more accurate calculation.

Answer

A - Number of stars in the sky

Explanation

The number of stars in the sky will NOT affect an organisms behavior.

The amount of availability of food, water and daily temperature would influence the behavior of an organism as these are important factors of survival, but the number of starts in a sky would not influence the behavior of an organism. Thus, option A is the correct answer.

The number of stars in the sky does not depends on any factor that is related to an organism to live and survive. An organism would always behave and live according to its need. Hence, an organism does not need to be aware of the number of stars in the sky to thrive.

The environmental factors that influence the behavior of an organism are- the availability of food, water, increasing and decreasing temperatures. The availability of food and water influences the behavior of and organism as it is an important factor for the organism to survive. Also, the fluctuation of temperature is also an influencing factor as excess increase or decrease of temperature would make the environment for an organism inhabitable.

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Answer:

Largemouth bass fish are tertiary consumers that receive the smallest amount of energy in the pyramid.

Explanation:

The function of the structure W is to attract pollinators to the flower (option C).

A flower in botany is a reproductive structure found exclusively in group of plants called angiosperms (flowering plants), often conspicuously colourful and typically including sepals, petals, and either or both stamens and/or a pistil.

The parts of a flower are as follows:

The petals of a flower is one of the component parts of the corolla of a flower. It applies particularly, but not necessarily only, when the corolla consists of separate parts i.e. when the petals are not connately fused.

Petals are often brightly colored as seen in the structure labelled W above. This colorful appearance is used to attract pollinators such as insects, butterflies for the process of reproduction.

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Answer:it’s c

Explanation:

study island

Answer:

S phase

Explanation:

DNA replication occurs before the cell actually divides.

On Earth, there are nine support systems that maintain life.

These life-support systems are interdependent and interrelated, and modifications to one can have an effect on the others. To support life on Earth, it is crucial to keep these systems healthy and in balance.

Life is eternal and coeternal with matter, it first appeared on Earth at or shortly after its creation. A succession of developing chemical reactions led to the emergence of life on the early Earth.

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Answer:

yes this is true. they should be placed in a neat and tidy order so it is easy to find them when needed

Explanation:

The disruption of the carbon and nitrogen cycles affecting people will be least valuable if the results are inconclusive but might possibly be true. Thus, the correct option is B.

The carbon cycle may be defined as the movement of carbon and its derivatives through various biotic and abiotic components of an ecosystem.

The effect of disruption of nutrient cycles will be the least practical and useful if the outcome of it is not conclusive with respect to the deterioration of an ecosystem but might be conceivably true.

It impacts scientific research to a larger extent and allows it to affect the disruption of nutrient cycles in an ecosystem in a significant way.

Therefore, the correct option for this question is B.

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Answer:

cell is most likely to human being

Explanation:

human must be the same for human being

Answer:

ight im in

Explanation:

Answer:

a gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants.

Answer:

a gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants.

Explanation:

Answer:

DNA replication

Explanation:

must be completed before meiosis, doubling and already diploid (2n) genome. Meiosis will then distribute a haploid (n) genome into each of four gametes provided nothing goes wrong hope this helps you :)

Answer:

All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing. When viewed together, these characteristics serve to define life.

Explanation:

Part of a community

Part of an Ecosystem

In a California kelp forest, the garibaldi, the purple sea urchins, and the rocks make up part of a community and part of an ecosystem​. Therefore, option B and C are correct.

All the organisms and the physical setting they interact with make up an ecosystem. The nutrition cycles and energy flows connect these biotic and abiotic elements. Photosynthesis is how energy enters the system and is absorbed by plant tissue.

Abiotic variables, or nonliving components, coexist with biotic components in ecosystems. Plants, animals, and other species are biotic factors.

Healthy ecosystems maintain our soil, clean our air, control the climate, recycle nutrients, and give us food. They offer resources and raw materials for making medications and other things. They support our economies and are the cornerstone of all civilizations.

Thus, option B and C are correct.

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Culture independent techniques is simply the use of methods in microbiology that are not based on or relies on cultivation inorder to study a microorganism in a defined ecosystem.

Independent based techniques offer a variety of advantages over the culture dependent methods.

The primary advantage of using culture independent techniques in microbiology is that culture independent techniques has the ability to identify or point out a large proportion of the microbial diversity readily and that identification on a normal state will be difficult to be observed using culture based studies or culture independent techniques.

The explanation regarding the primary advantage of using culture independent techniques in microbiology is described below;

The following information should be considered:

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Answer:

Nervous system

Explanation:

This is because the nervous system sends messages to the excretory system to release body waste from the body

The best description of originality is having a low probability, unique, option D is correct.

Originality refers to the quality of being novel and distinctive, and it implies that something is not derived from anything else. The more unique and uncommon an idea, creation, or expression is, the more original it is deemed to be. Originality can be measured by the probability of its occurrence.

The lower the probability of an idea or creation being generated, the more original it is. A highly original idea is not only new but also unexpected and unconventional, which makes it stand out from the norm. Originality is highly valued in fields such as art, literature, science, and technology, as it contributes to the advancement of knowledge and understanding, option D is correct.

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The correct question is:

What is the best description of originality?

A) nonobvious

B) special or interesting

C) convergent

D) having a low probability, unique

Answer:

the correct answer is d they scavenge at times as well as hunt a good example of this is the hyena

Explanation:

hope this helps

The statement "Some predators are also opportunistic feeders" signify that predators scavenge at times as well as hunt. Thus, the correct option for this question is D.

Predators may be defined as the type of living organisms that may hunt or kill other forms of living entities in order to synthesize their food which delivers them energy for survival and reproduction.

According to the context of this question, predators are generally larger than their prey. So, they attack them and make their food. This illustrates their mode of hunting.

But they are also considered opportunistic feeders which means that they scavenge sometimes. This signifies that they usually decompose some organisms which are then utilized by other organisms in their consumable form.

Therefore, the statement "Some predators are also opportunistic feeders" signify that predators scavenge at times as well as hunt. Thus, the correct option for this question is D.

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Answer:

Water is more dense than ice, so ice will have lower density that make it float

Biodiversity is affected by climate, area, niche, genetic diversity, and existing.

Existing doesn't make sense because is laking a substantive and it provides no information.

Biodiversity means the diversity of living beings, so the sentence could be corrected as:

Biodiversity is affected by climate, area, niche, genetic diversity, and existing species.