The __________ are directly involved in reproduction
a. somatic cells
b. gametes
c. stem cells
d. none of these
Answer b
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________ denotes policies and practices that harm a group and its members.
A. Racism B. Prejudice C. Ethnocentrism D. Colonialism E. Discrimination
What is the term for the rapid expansion and diversification of groups of organisms into newly available ecological niches?
a. Specialization b. Homology c. Adaptive radiation d. Parallel evolution e. Generalization
The first Chinese H. erectus discoveries were the result of the focus on locating:
a. fossils unhampered by the complex nature of Javanese geology. b. fossils belonging to the late Pleistocene. c. skullcaps and femurs the same size as remains from Trinil. d. individuals contemporaneous with H. sapiens. e. "dragon bones" used as medicine and aphrodisiacs.
What are the ultimate sources of all cultural change?
A) discovery and invention B) diffusion and discovery C) invention and modification D) modification and diffusion