Biological systems are balanced systems maintained by the interaction of physiological mechanisms that compensate for both external and internal changes. Such a balanced system is in
a. hypoxia
b. homeostasis
c. heterostasis
d. acclimatization
e. polystasis
b
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Because of missionary and government pressures, the Northwest Coast Indian potlatch system now __________
A) is completely extinct B) exists among some, but not all, tribes where it is practiced in modified forms C) resembles a North American-style Christmas D) is completely unrecognizable from its pre-contact, traditional form
A polyandrous bond is primarily found among:
a. the apes because pair bonding helps with rearing offspring during a long adolescence b. all monkeys because of territorial issues and the need to protect young c. some New World monkey species in which males assist with offspring d. some Old World monkey species in which females assist each other with offspring
An abnormality of the red blood cells is known as
a. sickle-cell anemia. b. Hodgkin's disease. c. Alzheimer's. d. fecundity.
Bioarchaeologists can determine gender from skeletal analyses
a. True b. False Indicate whether the statement is true or false