The period of human development that spans from the second week after fertilization until the end of the second month is called ___________

Fill in the blank(s) with the appropriate word(s)


Answer: Embryonic development

Biology & Microbiology

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Systematists strive to organize taxa that represent monophyletic groups

Indicate whether the statement is true or false.

Biology & Microbiology

A simple way of thinking about the action of a steroid hormone on its target cell is that it _____

a. requires no admission to enter b. must find a friend to accompany it in c. can go right in but the admission price is high d. must find a friend to accompany it in and the admission price is high

e. must know the right password to enter and to exit

Biology & Microbiology

The DTP vaccine protects against _________.

A. tuberculosis B. diptheria C. polio D. two of the above E. all of the above

Biology & Microbiology

On the basis of this figure, multicellularity has evolved:

a. once. c. three times. b. twice. d. at least six times.

Biology & Microbiology