Australopithecus africanusis older (earlier) than Australopithecus afarensis
a. true
b. false
Answer: b. false
Biology & Microbiology
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The ____ gland stores and releases hormones produced by the hypothalamus
a. pancreas b. pineal c. pituitary d. thyroid e. parathyroid
Biology & Microbiology
Oogenesis normally produces ____ gamete(s) from one germ cell.
A. one B. two C. three D. four
Biology & Microbiology
The evolution of which of the following biochemical processes changed the physical and chemical nature of Earth in such a way that most life-forms had to adapt radically or become extinct?
A) DNA replication B) photosynthesis C) aerobic respiration D) anaerobic respiration
Biology & Microbiology
Which structure in the eye plays a role in accommodation by holding the lens in place?
A. sclera B. optic nerve C. vitreous humor D. ciliary body E. pupil
Biology & Microbiology