The term "ecology" is defined as the study of the
A) environment.
B) relationships between organisms.
C) relationships between organisms and their environment.
D) impact of humans on the environment.
C
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Organ systems typically have just one major function
a. True, all organ systems are interdependent. b. True, each organ system can function independently. c. False, many organ systems have multiple functions. d. False, each organ system can function independently.
Carriers for sickle-cell disease have a genetic advantage in some situations over those who do not have
any copies of the sickle-cell allele because carriers have
a. lower blood pressure. b. the ability to carry more oxygen in their blood. c. increased resistance to malaria. d. hyperactive immune systems. e. extra red blood cells.
Bioluminescence involves all of the following
EXCEPT a. stable electrons. b. ATP. c. oxygen. d. luciferin. e. luciferase.
Given the sex determination system in bees, we can expect that
A) female bees will produce eggs by meiosis, whereas male bees will produce sperm by mitosis. B) female bees will produce eggs by mitosis, whereas male bees will produce sperm by meiosis. C) male and female bees will produce sperm and eggs by meiosis. D) male and female bees will produce sperm and eggs by mitosis.