The carrying capacity of an environment:
a. is the uppermost level of productivity that is ecologically sound in an environment.
b. is solely determined by its technology, which can make an environment artificially sound.
c. influences only foraging societies, although there are still realistic limits on all environments.
d. refers only to the amount of wild plants and animals in an area.
e. refers to the amount of humans that can be profitable settled in a given amount of space.
ANS: A
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"Lucy's Baby," an important Au. afarensis fossil from northern Ethiopia, includes a complete skull, mandible, and face. What is an important outcome of this find?
A. It sheds light on growth processes in human ancestors, including brain and dental development. B. It indicates that Au. afarensis had a prolonged childhood period of slow brain growth. C. It is the first fossil hominid child found alongside its mother. D. It has a human-like skull and upper body, unlike Lucy. E. It was found to have a large cranial capacity but was not bipedal, drawing into question how these traits develop in childhood.
Which of the following statements is false?
a. Culture provides humans with a quicker and more efficient means of adaptation than Darwinian natural selection alone. b. Darwinian natural selection is the primary means by which non-human animals and plants adapt to the world. c. Darwinian natural selection is the way that animals adapt to their world, but humans adapt only by means of culture. d. Not all aspects of culture are adaptive for humans. e. Culture is the primary means by which humans adapt to their world.
Proconsul
a. lived in Africa from 7-2 mya. b. was a carnivous, apelike creature. c. ranged greatly in size from 100 to 1,500 pounds. d. is likely to have had a tail. e. had its first example (a skull) discovered on Rusinga Island, Kenya, in 1948.
Humans and New World monkeys both have a 2.1.2.3 dental formula
a. True b. False Indicate whether the statement is true or false