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Angie Heaney

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4y ago
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Cards in this guide (14)
What is gene flow

Gene flow is genes moving between two populations.

the transfer of genes from one gene pool to another

two populations transferring genes

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.

What is an effect of adaptive radiation

Speciation Adaptive radiation refers to changes in a species in response to varying environmental conditions.

many new species form

Which is a primary disturbance

A landslide or volcanic eruption is a kind of primary disturbance. It causes a very drastic and sudden change in the landscape.

Which freshwater ecosystem is most productive

marsh or swamp in warm sub tropical climates

A hawk is a predator for mice What will happen if the hawk population decreases due to hunting by humans

The mouse population will increase. (apex)

What happens when a population is in hardy weinberg equillibrium

You mama

The allele frequency does not change.

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

Which statement is ture about all adaptations

An eagle is a predator for squirrels a new law stops humans from hunting eagles and the Eagles population increases what will happen to the squirrel population

The squirrel deathrate will increase.

Which organisms are most closely related

Apex is Mergus serrator and Mergus merganser.

which is a density-independent factor in controlling a population

C) 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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