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Ecosystems

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Era McCullough

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4y ago
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Cards in this guide (13)
What is an inference

An inference is a logical interpretation based on prior knowledge or experience. It is not clearly stated but is implied.

What is an adaptation

a camel has humps to store water

a rabbit that has fur that blends in with snow

a trait that makes an organism more likely to reproduce

How does stable weather affect an ecosystem

It makes the ecosystem more diverse.

When will natural selection occur

Natural selection occurs when four conditions are met:

1. There is variation among individuals.

2. That variation is at least partially heritable.

3. That variation is linked to differential reproductive success.

4. More individuals are born than can survive and reproduce.

Which freshwater ecosystem is most productive

marsh or swamp in warm sub tropical climates

How can islation lead to formation of new species

Allopatric Speciation (geographic isolation) can lead to the formation of a new species because the population is split in two smaller populations by a physical barrier (river, canyon, mountain...).

What principles is not part of Darwin's original theory of evolution by natural selection

Random processes are not part of the theory of evolution by natural selection.

What statements is most true about the adoption of cell phone technology by people in Africa

Which statement is ture about all adaptations

Why is a genetically diverse population more like to survive a change to the environment

they are more likely to have individuals with an adaption

A rabbit lives in a temperate forest. which would be an adaptation for this rabbit

Changing color when snow falls

which is a density-independent factor in controlling a population

C) apex

A fly has two alleles for the color of its eyes. The green allele is recessive, and is represented by blue allele is dominant, and is represented by p. If 28 of organisms are green , what is p

0.47 (apex)

a trait has 2 alleles and there frequencies are represented by q and p if p = 0.90 what is q

.9

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