Darwin's Theory of Evolution

Differences among individuals of a species are referred to as…

• Natural variation

• Natural selection

• Adaptation

• Fitness

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During his voyage on the Beagle, Charles Darwin made many observations…

• in England

• in North America

• on the Galapagos Islands

• in Asia

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The phrase "Survival of the Fittest" would best describe...

• Natural Selection

• Artificial Selection

• Selective Breeding

• Inheritance of Acquired Characteristics

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Scientist have created larger and sweeter strawberries for humans to consume by choosing what plants to let reproduce. This is known as...

• Natural Selection

• Artificial Selection

• Cellular Respiration

• Environmental Natural Selection

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According to Darwin’s theory of natural selection, individuals who survive are the ones best adapted for their environment. This is due to the…

• Adaptations developed through use.

• Inherited adaptations that maximize fitness

• Lack of competition within the species

• Choices made by plant and animal breeders

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In a species of birds, some have larger beaks and some have smaller beaks. The birds with larger beaks are able to eat more food. This means they are better at surviving and reproducing. Which concept of natural selection is this describing

• Acquired characteristics

• Survival of the fittest

• Reproductive isoluation

• Descent with modification

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Darwin’s theory of evolution suggests that…

• species change overtime

• extinct species are not related to living species

• different species can interbreed

• animals that look alike are the most closely related

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What do we call parts of the body that are structurally similar to those of other species?

• Natural selection

• Vestigial organ

• Homologous structure

• Fossils

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Which structures are homologous structures?

• human arm & cat arm
• dog's nose & snake's tongue
• wisdom teeth & an appendix
• dolphin fin & fish fin

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Non-functional structures now but once were used by ancestors 

• Vestigial structures
• Analogous structures
• Homologous structures 

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