A scientist wants to conduct an experiment to see if plants will grow to different heights based on the type of fertilizer used. The height of the plants would represent which of the following?
a. a dependent variable
b. an independent variable
c. a control
d. Aa placebo
a. a dependent variable
You might also like to view...
Genetic drift can eliminate alleles from a population more quickly than natural selection
Indicate whether the statement is true or false.
In a rank-abundance curve comparing two communities, the community with the greater species richness is characterized by a
A) lesser length of the curve and a more gradual slope. B) lesser length of the curve and a steeper slope. C) greater length of the curve and a more gradual slope. D) greater length of the curve and a steeper slope.
Analogous structures are evidence of ________
A) common ancestry B) divergent evolution C) stabilizing selection D) convergent evolution
TranSTR analysis is a DNA profiling technique that makes use of the fact that different people have different numbers of repeats of short DNA sequences at certain sites in the genomeslation converts the information stored in __DNA______ to ___RNA_____.
a. true b. false