Mechanism of Evolution

What is evolution?

• The change in organisms over time.

• A group of the same species in a given area

• Differences in inherited traits

• Overproduction of offspring

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What is a population?

• Change in organisms over time.

• A group of the same species in a given area

• Multiple species living in an area together

• An individual organism

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Who is the famous Naturalist who discovered the theory of evolution?

• Watson

• Crick

• Rosalind

• Darwin

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Natural selection, artificial selection, genetic drift, and mutations are all mechanisms of ________.

• Variation

• Populations

• Evolution

• Adaptations

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The unequal survival and reproduction of individuals in a population due to some individuals being better adapted to the environment. *Not random - due to adaptations*

• Evolution

• Natural Selection

• Artificial Selection

• Genetic drift

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Principles of natural selection include: (check all that apply)

• Variation

• Overproduction of offspring

• Selective pressures

• Fitness

• Adaptations

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The differences in inherited traits in a population is _________. (Think about why humans don't look exactly alike)

• Fitness

• Adaptation

• Selective pressures

• Variation

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Why do some species overproduce offspring?

• The more offspring you produce, the better chance some will survive.

• The less offspring you produce, the better chance some will survive.

• The more offspring you produce, the less likely they will survive.

• Just for fun

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The process by which an individual or species responds and adjusts to changes in its environment is an ___________.

• Adaptation

• Variation

• Bottleneck Effect

• Founder effect

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Individuals better adapted to their environment are more likely to reproduce and pass down their genetic information?

• True

• False

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