In a population, the difference between the birth rate and the death rate is the
A. population dispersion factor.
B. per capita rate of increase.
C. population density determining factor.
D. S-shaped population curve.
E. J-shaped population curve.
B. per capita rate of increase.
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Genetics is the study of
A) variation of inherited traits. B) how organisms reproduce. C) how life originated. D) how the environment causes disease.
Which is not a scientific theory?
a. Plate tectonics b. Global warming c. Evolution d. Thermodynamics e. Big bang
The prebiotic soup hypothesis proposes that organic molecules formed from cracks in the ocean floor
______________ Indicate whether the statement is true or false.
Which of these is the most diverse group of plants?
a. gymnosperms b. ferns c. nontracheophytes d. angiosperms e. conifers