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Questions and Answers

What is an adaptation?

A change in an organism’s genetic makeup

The extinction of a species

A type of fossil evidence

A feature that enhances survival and reproduction (correct)

Intraspecific variation refers to differences among individuals of different species.

False

Which animal's fossil did Darwin find that suggested a relationship to modern animals?

Glyptodon

Darwin's observations on his voyage supported Lyell's theory of __________.

uniformitarianism Signup and view all the answers

Match the type of variation with its description:

Interspecific Variation = Variation among different species Intraspecific Variation = Variation among individuals of the same species Adaptation = Feature enhancing survival in the environment Fossil Evidence = Historical remains indicating species change Signup and view all the answers

What does the theory of uniformitarianism state?

Natural disasters such as floods and volcanic eruptions have often occurred and shaped landforms. Signup and view all the answers

Intraspecific variation refers to variation among different species.

False Signup and view all the answers

Define 'Adaptation' and provide two examples of organisms that have adapted.

Adaptation is a feature that allows an organism to better survive and reproduce in its environment. Examples: Saddle-Backed Tortoises with long necks and legs, Domed Tortoises with short necks and legs. Signup and view all the answers

Natural Selection is a mechanism by which individuals that have inherited beneficial adaptations experience __________ reproductive success.

differential Signup and view all the answers

Match the terms with their definitions:

Artificial Selection = The process by which humans breed species for certain traits Heritability = The ability of a trait to be passed down through generations Fitness = The measure of an organism's ability to survive and reproduce in a given environment Population = All individuals of a species living in a certain area Signup and view all the answers