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klasskru [66]
3 years ago
9

Whats the basic unit of life?

Biology
1 answer:
Elan Coil [88]3 years ago
8 0

Answer:

The cell is the basic unit of life

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STatiana [176]

Answer: genetics and mutation generate some of the variety that natural selection acts on

Explanation:

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2 years ago
Which of the following is not an observation or inference on which natural selection is based?
olga2289 [7]

Answer: B. Poorly adapted individuals never produce offspring

Explanation:

Natural selection is a theory that states organisms adapts to its environment due to differences in their phenotypes. So, <u>individuals with favorable traits are more likely to survive and reproduce</u>. It is a key mechanism of evolution, which is the change in traits of a population over generations.

<u>Populations respond to natural selection if they contain heritable variation </u>among them, wich means that individuals differ in the traits they transmit to their offspring.

Because of the environmental selection pressures, individuals produce more offspring than their environment can support. <u>The pressure determines which individuals will survive and reproduce</u>, while others will die because of predation or diseases. So, natural selection is based on the observations of adapted individuals.

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3 years ago
The rate at which work is done is know as _____.
Masja [62]

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The rate at which work is done is known as, power.

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How would the natural environment be altered if there were no saprophytic fungi or bacteria
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Wastes and the remains of dead organisms would pile up and the nutrients within the waste and dead organisms would not be released back into the ecosystem. Producers would not have enough nutrients.

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