California retains only about __________ percent of

its original coastal redwoods.
a. 1
b. 4
c. 10
d. 15
e. 20


Answer: b

Biology & Microbiology

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____________________ is a general term used to describe disorders that can lead to kidney failure. Fill in the blank(s) with the appropriate word(s)

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Competition for resources is a density-independent factor affecting a population

Indicate whether the statement is true or false

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A phenotype:

a) does not reveal the heritability of traits. b) consists of the observable properties of an individual. c) does not include an organism's behavior. d) cannot change during the course of an organism's life. e) depends on the genome rather than the environment.

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Which term refers to muscles that are attached to bones, and cause bones to move at their joints when they contract?

A. skeletal muscles B. smooth muscles C. involuntary muscles D. ligament tissues E. cardiac muscles

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