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Biology

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Gussie Gutkowski

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Cards in this guide (10)
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

Why do the earliest rock samples date from 800 million years after Earth formed

IT took the earth this long to cool enough to form rocks

Match the era on the left with its characteristic on the right

What happened during which era

Which conditions are worst for fossil formation

Weathering

What is the idea that layers of sediment are always deposited horizontally is called

original horizontality

Which increases the rate of speciation

Population bottlenecks

Reproductive isolation

Niche availability

True or false height is not a polygenic trait

false, height is a polygenic trait

Was the earth around 7 billion years ago

No, the earth wasn't around 7 billion years ago. Earth formed about 4.6 billion years ago.

How has Earth changed during our current era

Dense forest developed

Which organisms are most closely related

Apex is Mergus serrator and Mergus merganser.

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