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Murljashka [212]
3 years ago
6

Changes in the DNA sequence or mutations help drive

Biology
1 answer:
BlackZzzverrR [31]3 years ago
8 0
The natural changes in DNA sequence or mutations help drive natural selection. Beneficial mutations will proceed and be passed along as generations progress, due to increased ability to survive to the changing living conditions an organism is exposed to. The contrary would be the case in the event that a non-beneficial mutation occurs.
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A student places a healthy potted plant and a plastic straw in a closet for two weeks. After two weeks, the student observes tha
vivado [14]

Answer:

Plants need water and sun to create their food source, glucose. When the plant was left in the closet it didn't have access to the sun. One of the requirements of life is that all living things need energy/have a metabolism. Without food the plant eventually died.

3 0
3 years ago
PLEASE LOOK AT THE PICTURE IM STUCK ON THIS QUESTION PLEASE HELP!!!
Elodia [21]

Answer:

B.

Explanation:

An unsaturated fatty acid has one or more C=C double bond in the fatty acid chain. Only one answer choice has a C=C double bond.

So, the answer is B.

Hope that helps.

7 0
3 years ago
A wolf population is living in an arctic climate. The wolf has a dominant trait for short fur and a recessive trait for long fur
Paha777 [63]

As the wolves with short hair decreases (because the environment does not encourage their survival), there will be less competition for the food that both would need. The long haired wolf even with a recessive gene, would increase in number.

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C is simply not true. Your givens tell you that the long hair are more likely to survive.

B is the answer, for the reason given above.

6 0
3 years ago
A sequence of biotic changes that regenerate or create an ecological community is known as?.
harina [27]

A sequence of biotic changes that regenerate or create an ecological community is known as ecological succession.

Ecological succession is the process of change in an ecological community's species composition over time. The time frame can span several decades or fewer (for instance, following a wildfire). The community grows through an increase in complexity from a small number of pioneering plants and animals to a stable or self-sustaining climax community.

Succession is a process that occurs after a disturbance or the early colonization of a new environment. It involves changes to an ecological community that are more or less predictable and orderly. Secondary succession refers to succession that occurs after a pre-existing community has been disrupted, whereas primary succession refers to succession that starts in new environments with no impact from pre-existing groups.

To know more about ecological succession, refer to the following link:

brainly.com/question/10167897

#SPJ4

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2 years ago
Which of the following are examples of point source pollution?
SIZIF [17.4K]

Answer:

sewage treatment plant

8 0
4 years ago
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