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Biology

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Ila Harris

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Cards in this guide (12)
What does the lymph system do

Produces white blood cells.

What causes genetic drift

random chance.

How does natrual selection lead to evolution

Some species can gradually change into a new species.

What did Malthus think would limit the population size

Food supply

When is genetic drift a major factor in evolution

When there is low gene flow

When there is no selective pressure

When there is a bottleneck

What best summarizes the peppered moths in England after the Industrial Revolution

allele frequency change Apex :)

Which is the first part of the immune system to attack an invader

Lysozymes

What best describes adaptive radiation

Biodiversity resulting from few ancestors, APEX LEARNING

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 does the t cells and b cells do

t cells are killer cells

b cells are antibodies

Which must be true for two organisms to be considered the same species

They can produce fertile offspring.

Which best description how a vaccine works

The vaccine makes the body create memory cells for Apex

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