Among the longest surviving group of gymnosperms, the ________ had relatives alive on earth during the days of the dinosaur.

A. monocots
B. dicots
C. ferns
D. cycads


Answer: D

Biology & Microbiology

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Atoms with different numbers of which component are considered to be distinct elements?

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Cadherin is an example of:

A. a motor protein. B. an intermediate filament protein. C. a cell adhesion molecule. D. an extracellular matrix protein.

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The middle ear functions in _____

a. detecting shifts in body position b. amplifying and transmitting sound waves c. sorting sound waves out by frequency

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In which trial did the most control crabs die? In which did

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