Bio I - Ch 17 Review: Darwin's Theory of Evolution

If a trait that was inherited from the parents increases an organism's ability to survive and then reproduce, what is this trait?

• an adaptation

• an organisms fitness

• a mutation

• artificial selection

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When the environment determines which heritable traits are most beneficial for survival, which is being considered?

• Artificial selection

• Natural selection

• Environmental selection

• Mutation

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When the humans determine which heritable traits are most beneficial, which is being considered?

• Artificial selection

• Natural selection

• Environmental selection

• Mutation

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An adaptation of a butterfly includes its long straw-like proboscis (mouth appendage). Why is the proboscis an example of an adaptation?

• The shape and structure of the proboscis are inherited and help the butterfly to survive in its environment

• The proboscis is unique to butterflies

• All insects have a proboscis; but they differ among insects

• The shape and structure has been the same for generations

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When comparing the fore limb of a dolphin (fin) to the fore limb of a bat (wing), you can see a similar number and arrangement of bones. How can this be explained?

• The fin and wing are homologous, evolving from a common ancestor

• The fin and wing are analogous, evolving from a common ancestor

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How do fossils show the comparison from ancient to modern species?

• Ancient organisms are similar to moderns; yet differ in several ways

• Ancient organisms were a different size compared to modern; otherwise identical

• Ancient and modern species are the exact same

• Ancient and modern species have nothing in common

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Which of the following is the most recent science in terms of supporting Darwin's work on his Theory of Evolution from the 1800's?

• New fossils being discovered every day

• Biogeography supporting how fossils are different and NOT related

• Molecular biology supporting a common ancestor

• Molecular biology supporting several ancestors

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According to the phylogenetic tree shown, of the following, who is the most closely related to turtles?

• Mammals

• Amphibians

• Cartilaginous fish

• Jawless fish

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What made Darwin unique when comparing his observations to other scientists of his time when specifically defending his Theory of Evolution?

• He explained the mechanism for how evolution happened

• He listed his observations in a notebook

• He used a logical explanation for all of his observations

• He used molecular biology to support his claims

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What was the driving force in nature that explains Darwin's finches developing different phenotypes?

• Food availability

• Predator selection

• Artificial selection

• A common ancestor

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