In the runaway selection simulation, what is not necessary for a trait like turning bias to evolve by sexual selection?
A. variation in turning bias
B. preference for size
C. at least 2 individuals to compare
D. preference for turning bias
Ans: B. preference for size
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Each of the following contributes to emerging drug resistance except
A. multiple drug therapy. B. addition of antibiotics to common household products. C. ingestion of antibiotics with animal feed. D. overuse of antibiotics. E. improper use of antibiotics.
One of the most sustainable sources of biomass fuel is _______.
A. ethanol B. biofuels refined from waste oils and fats C. direct combustion of wood harvested from a tropical rainforest D. direct combustion of coal E. biofuels from conventionally grown soy
Why is SRY considered to be a master gene?
What will be an ideal response?
Which of the following is not one of the four types of taste?
Select one: a. salty b. hot c. sour d. sweet e. bitter