What term describes a group of animals that is self-organized by rank?
a. selfish herd
b. dominance hierarchy
c. pack
d. social group
e. culture
b
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RNAi could be used as an anti-viral treatment by ____
a. inactivating viral genes or key cell proteins involved in viral infection and spread
b. increasing immune system response to the virus c. binding to receptors on host cells used for viral entry d. promoting expression of viral DNA-degrading enzymes e. stimulating host cells to produce anti-viral compounds
Finches have lived in Hawaii for
a. 1000 years. b. 100 000 years. c. 4 million years. d. 5 million years. e. 63 million years.
Which of the following is the phase of maximum physical sensation?
a. orgasm b. stimulation c. resolution d. plateau e. sexual excitement
Compared to the moss, the fern is better adapted to life on land because the fern
a) does not have a swimming sperm, but the moss does. b) can be found in dry areas, but moss cannot. c) has vascular tissue, but the moss does not. d) produces seeds, but the moss does not. e) does not have a gametophyte generation, but the moss does.