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