The term angiosperm refers to

A. the presence of pollen.
B. the narrow sperm of angiosperms.
C. the presence of endosperm.
D. the branching of vascular veins.
E. the enclosure of the seed within a fruit.


Answer: E

Biology & Microbiology

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The position of mammals in evolution is best described as

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The "motor unit" in vertebrate skeletal muscle refers to _____

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