The branch of biology that classifies organisms is called ____
a. natural history
b. taxonomy
c. evolution
d. morphology
e. paleobiology
ANSWER: b
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You made your first batch (ever) of wine about 6 weeks ago. You used a new plastic garbage can, covered with plastic wrap over the top, for the process. Now you get a cup of it out of the container only to find no alcohol--just really bad juice. What went wrong?
A. The plastic of the container released chemicals that killed the yeasts. B. The yeasts were not under anaerobic conditions. C. You bought the wrong yeast species at the store. D. Your yeasts mutated into non-alcohol producing organisms.
Larval oysters attach themselves to:
a. They do not have specific requirements. b. any available solid substrate. c. other oyster shells. d. both b and c e. sand.
The structure labeled 9 in Figure 29-2 was produced by:
a. fertilization of two zygotes. b. meiosis in the resting sporangium. c. meiosis in the zoosporangium. d. mitosis in the resting sporangium. e. mitosis in the zoosporangium.
What is the difference between the endocrine system and the autonomic nervous system?
A. Norepinephrine is produced by the autonomic nervous system, while epinephrine is produced by the endocrine system. B. The axons of neurons of the endocrine system travel a shorter distance than those of the autonomic nervous system. C. The autonomic nervous system promotes "fight or flight" functions, while the endocrine system promotes "rest and digest" functions. D. The endocrine system employs chemical signals only, while the autonomic nervous system involves a combination of electrical and chemical signals.