Structures that have no apparent function but had a function in ancestral species are

A. the fossil record.
B. vestigial structures.
C. development.
D. the molecular record.
E. homology.


Answer: B

Biology & Microbiology

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The anaerobic Clostridium species are troublesome pathogens largely because of their capacity for

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In saltatory conduction, nerve impulses jump from one exposed region of the axon to another. This exposed region is called the ________

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Describe the mechanisms of action of antibodies.

What will be an ideal response?

Biology & Microbiology