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Q20: About _ mammal species exist today.<br>A) 400<br>B)
Q37: Genetic mutations can never be good.
Q38: Strata are _.<br>A) layers of rock<br>B) trace
Q51: An ethnobiologist studies _.<br>A) the mechanics of
Q58: Males are the dominant sex in all
Q67: Darwin's ideas fell into place while contemplating
Q76: A clade contains species _.<br>A) linked by
Q76: The _ are likely ancestors of tarsiers
Q79: Which of the following is true of
Q80: The most direct form of direct DNA