Which is most like an exoskeleton?

A) springs in a mattress
B) a water balloon
C) a suit of armor
D) the hair covering the surface of a bear


Answer: C

Biology & Microbiology

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The Miller-Urey experiment created synthetic DNA

a. True b. False Indicate whether the statement is true or false

Biology & Microbiology

Answer: c

Biology & Microbiology

The most common control mechanism to prevent overproduction or underproduction of hormones is

a. positive feedback. b. opposing interaction. c. negative feedback. d. synergistic interaction. e. permissive interaction.

Biology & Microbiology

Who, along with Alfred Wallace, formulated the theory of natural selection?

A) Charles Darwin B) James Watson C) William Harvey D) Gregor Mendel E) Louis Pasteur

Biology & Microbiology