When the birth rate plus immigration equals the death rate plus emigration the result is ____
a. logistic growth
b. exponential growth
c. population saturation
d. zero population growth
e. geometric growth
ANSWER: d
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Which of the following statements about the differences between exoskeletons and endoskeletons is correct?
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You are observing a cell through a microscope and see a membrane-bound nucleus. Which type of cell is it?
A bacterium A prokaryotic cell A eukaryotic cell There is not enough information
You are studying a disease caused by insufficient levels of a specific peptide hormone, and characterize mutations in several genes that can lead to the disease. Your startup company can only afford to pursue one gene product as a possible therapy. Which would you choose?
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