Before Darwin published his work, Lamarck and others had suggested mechanisms for evolution. By what means did Darwin propose species evolved over time?

A. Overproduction of young
B. Natural selection
C. Survival of the strongest
D. Passing on acquired traits


Answer: B

Biology & Microbiology

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What will be an ideal response?

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On which continent would you have seen the very earliest members of Homo sapiens?

A) Europe B) Asia C) Africa D) Australia

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A biosphere is defined as ________ .

a. a multiceullar organism that contains nuclei b. an entire population of a species in a specified area c. a specific community interacting with its physical environment d. a group of individuals of the same species found in a given area e. the sum of all ecosystems

Biology & Microbiology

Identify a true statement about alpha-adrenergic blocking drugs.

What will be an ideal response?

Biology & Microbiology