Evolution Review

James Hutton and Charles Lyell suggested that the Earth was millions of years old. This impacted Darwin's theory of evolution how?

• Evolution occurs quickly, therefore, the Earth only had to be a couple of thousand years old.

• Evolution takes a long time to occur, therefore, the Earth had to be older than what was thought at the time.

• Hutton and Lyell's suggestion does not apply at all to Darwin's theory of evolution.

A person having braces or coloring his/her hair are examples of what kind of trait?

• dominant traits

• inherited traits

• acquired traits

• recessive traits

True or False: Acquired traits can be passed on from one generation to the next.

• True

• False

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Darwin's theory of natural selection states that organisms that survive in a particular environment are said

• to have a low fitness level.

• to have adaptations that are best for the environment

• to have acquired traits that are best for the environment.

• to pass those acquired traits to offspring, producing high fitness.

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Organisms that share many inherited traits shows

• the principle of common descent.

• the evolution of acquired traits.

• how organisms with low fitness survive.

• how organisms are not alike.

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If allele frequency does not change in a population, the population is

• evolving by gene flow moving in.

• evolving by non-random mating.

• affected by artificial selection.

• in genetic equilibrium.

When a large population is impacted from a natural disaster and decreases dramatically in size.

• founders effect

• mutation

• bottleneck effect

• adaptations

The structure of chicken wings and human arms (similair structure and similair function) are

• homologous structures

• analogous structures

• vestigial structures

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The human mouth and a brids beak both allow for the organisms to obtain food, breath, and communicate (same function, different structure) is an example of

• Homologous structure

• Analogous structure

• Vestigial structure

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Structures that have the same structure but are no longer useful for an organism are

• homologous structures

• analogous structures

• vestigial structures