Darwin obtained which of the following in the Essay on the principle of Population by Malthus?
A. Organisms are varied and some variations are inherited.
B. Populations grow constantly.
C. An individual's chance of survival is random.
D. Species do not change over time.
E. More individuals of a population are born than survive to reproduce.
Answer: E. More individuals of a population are born than survive to reproduce.
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The actions of insulin and glucagon are
a. synergistic. b. permissive. c. cooperative. d. antagonistic. e. mutualistic.
The most plentiful sugar in nature is
a. glucose. b. fructose. c. sucrose. d. lactose. e. glycogen.
Papillary muscles:
A. contract when the ventricles relax B. prevent the valves from closing during ventricular diastole C. are attached to the semi lunar valves via the chordae tendineae D. prevent the backflow of blood into the atria during ventricular systole E. prevent the backflow of blood into the ventricles from the aorta
Why was it such a brilliant strategy for Darwin to open On the Origin of Species with a discussion of artificial selection?
What will be an ideal response?