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Panspermia is the hypothesis about the origin of life that states:

Early, ancestral forms of multicellular plants and animals are not found in the fossil record because:

Darwin’s relationship to laws of inheritance can best be described as:

Why didn’t Darwin immediately publish his findings from the voyage of the Beagle?

The new science of epigenetics involves:

Competition to survive is the most severe between:

Which of the following concepts did not come from Georges Louis Leclerc, the Comte de Buffon, as a result of his philosophy and observations of nature?

What is unique about the theory of evolution as compared to other scientific theories such as Newton’s theory of gravitation, the theory of plated tectonics, or the germ theory of disease?

Which of the following is NOT a principle concept of Darwinian evolutionary theory as Darwin described it in the The Origin of Species?

What was (were) the major achievement(s) of Charles Darwin?