Evolution

Front

When an organism completely dies out, it is called.....

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Extinction

Front

The gradual change in species over time is...

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Evolution

Front

The white feathers of a snowy owl allow it to blend in with its environment during the winter months (snow). This is an example of ________________

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Adaptation

Front

Darwin referred to this as survival of the fittest. Over time, it results in changes in the inherited characteristics of a population because organisms with adaptations that make them fit for their environment will survive and reproduce better than those without favorable traits.

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Natural Selection

Front

Genetic differences between organisms of the same species

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Variation

Front

What is the advantage of having different shaped beaks?

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To be able to eat the food readily available in the environment.

Front

The struggle for existence against other members of an organism's species is

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Competition

Front

Which of the following is NOT a factor that affects the process of natural selection? Options: Overpopulation, Fossils, Competition, Variations

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Fossils

Front

What are the 4 mechanisms of evolution?

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mutation, extinction, adaptation, and natural selection

Front

Genotype refers to the ...

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the possible combination of alleles in a gene