Which of the following is not an important anatomical feature for determining if a fossil is a hominin?
A. flat face
B. absence of sharp canines
C. brain size
D. bipedal posture
E. absence of a chin
Answer: E
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Which of the following is not an advantage of extracellular digestion?
A. The interior of cells is protected from hydrolytic enzymes. B. Very large portions of food can be consumed at once and digested over a long period of hours to weeks. C. Specialized regions of the cavity can segregate digested food from nondigested food. D. Digestion can be regulated by hormones. E. Vacuoles allow for direct phagocytosis by individual cells.
The initial, brief period of early, general symptoms such as fatigue and muscle aches is the ________.
A. incubation period B. convalescent stage C. prodromal stage D. period of invasion
Gymnosperms and angiosperms are able to live and reproduce in much drier habitats than bryophytes and plants such as club mosses. The adaptations that are most responsible for reproduction in drier habitats are
A. spores and gemmae. B. seeds, spores, and fronds. C. vascular tissue, spores, fronds, and gemmae. D. pollen grains and seeds. E. All of the answer choices are correct.
The _____ is/are also known as the female prostate, and lie(s) between the wall of the urethra and the wall of the vagina.
A. Skene's gland B. seminiferous tubules C. Bartholin glands D. vas deferens