In any experiment, changes to the dependent variable based on the manipulations of the independent variable are
measured. When determining the action spectrum of a given plant, what is the independent variable and what is the
dependent variable?
a. independent = absorption of light; dependent = wavelength
b. independent = wavelength; dependent = absorption of light
c. independent = rate of O2 release in photosynthesis; dependent = absorption of light
d. independent = wavelength; dependent = rate of O2 release in photosynthesis
e. independent = rate of O2 release in photosynthesis; dependent = wavelength
ANSWER: d
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a. rainfall. b. temperature. c. a fire. d. parasites. e. an earthquake
Genetically distinct populations of squirrels on the northern and southern rims of the Grand Canyon can be considered an example of sympatric speciation
a. true b. false
The sperm and its DNA enters the egg through simple diffusion through the egg plasma membrane.
Answer the following statement true (T) or false (F)
The neutrons of an atom are
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