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Natural Selection

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Moshe Kunze

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Cards in this guide (11)
How does natural selection lead to evolution

a species can gradually change into new species

What does natural selection cause

Evolution.

Competitive exclusion is most likely to occur between two

closely related species occupying the same niche.

What must be true for natural selection to happen

There must be genetic variation in the population

The system must not be in hardy-weinberg equilibrium.

resources must be limited in the ecosystem

How does an ecosystem change during succession

It has more biodiversity.

Which best summarizes the peppered moths in England after the industrial revolution

The phenotype changed, which resulted in a black color adaptation.

How do peppered moths after the Industrial Revolution show the process of natural selection

The peppered moth had white bodies and wings, peppered with black. This coloration blended well into the original British countryside, hiding them from their predator the birds. Factories of the early industrial revolution covered everything with soot. Now the white stood out against the black surroundings making them easy targets for birds. Over time the white moths were wiped out. But, a few of them were darker in color, these survived and multiplied such that the white peppered moth was replaced buy the dark ones.

Black moths were selected for when the trees turned black.

the moths with the high fitness were selected for

The black moths were more fit for survival, so their phenotype frequency increased.

What did Malthus predict about the human population

It would grow too large and run out of food.

Why would a lack of neurotransmitters change the function of the brain

signals travel from neuron to neuron through neurotranmitters

What is a reproductive strategy

The method an organism uses to produce offspring

the way that a species creates offspring

A sample of a population should be large enough to

span the full spectrum of a population's genetic variation.-apex

I got you guysssss.

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