Tissues are to __________ as organs are to organ systems
a. cells
b. organs
c. organisms
d. all of these
B
Biology & Microbiology
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What is an example of acclimatization?
A. sweating while working out B. a dog moving into the shade C. a dog panting on a hot day D. young penguins huddling together to stay warm E. a duck growing thick down under feathers in fall
Biology & Microbiology
__________ regulates the maturation of the mammary glands, and then oxytocin causes __________. Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology
Polychaetes are the only annelids that possess
a. chaetae. b. clitellum. c. parapodia. d. ganglia. e. fluid-filled coelomic chambers.
Biology & Microbiology
Altruistic behavior is
a. selfish. b. sexually directed behavior. c. self-sacrificing behavior. d. aggressive behavior. e. nonreactive, such as freezing at the sign of danger.
Biology & Microbiology