The trade-off between investments in current reproduction and in growth that promotes future reproduction is referred to as the total cost of what?
A. adaptation
B. selection
C. reproduction
D. genetic change
E. fitness
C. reproduction
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Most antiprotozoan drugs have few side effects since there are numerous cellular targets found in protozoa but not found in host cells that can be targeted with antiprotozan drugs.
Answer the following statement true (T) or false (F)
In island biogeography, larger islands support ______ species than smaller islands.
A. more B. fewer C. larger D. stranger E. smaller
A neuron
a. communicates with other cells via electrical signaling only. b. communicates with other cells via chemical signaling only. c. communicates with other cells via a combination of electrical and chemical signaling. d. is not involved in direct communication with other cells. e. does none of these.
According to the out-of-Africa hypothesis, when did Homo sapiens migrate to Europe and Asia?
A. 10,000 years before present B. 5 million years before present C. 1000 years before present D. 100,000 years before present E. 1 million years before present