There are two main subgroups of primates: the wet-nosed primates (Strepsirrhini) and the dry-nosed primates (Haplorhini). Which of the following belong to the subgroup with a wet nose and a fixed upper lip?
1.apes
2.humans
3.lemurs
4.monkeys
3
Biology & Microbiology
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Organisms that obtain heat primarily from the external environment are called
a. endotherms. b. isotherms. c. exotherms. d. ectotherms. e. allotherms.
Biology & Microbiology
Sphincters
a. are muscles in longitudinal arrangement. b. prevent movement of material through the digestive tract. c. are smooth muscles. d. are only found at the beginning of the stomach. e. can contract but not relax.
Biology & Microbiology
Within a myofibril, the distance from one Z line to the next is called a(n) __________
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Photosynthetic, nonmotile organisms having cell walls belong to the Kingdom
A. Plantae. B. Fungi. C. Protista. D. Animalia.
Biology & Microbiology