As an evolutionary biologist, you are asked to predict the chances of a taxon's future survival on a geological time scale excluding the possibility of a mass extinction. Which of the following factors could you use to in-form your prediction?
a. the estimate for background extinction rate
b. the age of the taxon under question
c. the taxon's average reproductive fitness during the past year
d. the amount of evolutionary change the taxon experienced in the past
e. A and B
A
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Polar bodies are:
A. haploid cells. B. functional gametes. C. produced by mitosis. D. Answers b and c are both correct.
Water molecules are a reactant for
A. the electron transport system. B. the light-independent reactions. C. the light-dependent reactions. D. glycolysis.
Lactose is a combination of:
a. sucrose and fructose. b. glucose and maltose. c. glucose and ribose. d. glucose and fructose. e. glucose and galactose.
Which of the following is a lens found on electron microscopes but not on light microscopes?
a. Objective lens b Projector lens c. Condenser lens d. Eyepiece lens