A bell-shaped curve of phenotypic variation is
indicative of
a. incomplete dominance.
b. continuous variation.
c. multiple alleles.
d. epistasis.
e. environmental variables on phenotypes.
Answer: b
You might also like to view...
The T. solium organism, which causes cysticercosis and can grow to be 1.5 to 8 meters long, contains 7 to 13 lateral uterine branches along the proglottid. The intermediate host is:
a. dogs. b. cats. c. pigs. d. cattle.
Molluscs with a tubular shell and sheath foot are:
a. scaphopods. b. gastropods. c. bivalves. d. cephalopods. e. nudibranchs.
Biofilms are organized aggregates of bacteria that may
A. form when bacteria settle and reproduce on a solid surface. B. communicate with one another. C. form structures with specialized functions. D. protect one another. E. All of the answer choices are correct.
Tropical climates are warmer than temperate climates because
A. temperate climates have more mountains and thus more snow causing the landmasses to warm slower. B. tropical climates receive the sun's rays at a much steeper incidence thus spreading the radiation over a broader area and causing the tropics to be warmer while the temperate climates receive the sun's rays at an almost perpendicular angle, which causes some areas to be warm and other areas to be cold. C. tropical climates receive the sun's rays at an almost perpendicular angle; since Earth is a sphere, the temperate climates receive the sun's rays at a much steeper incidence thus spreading the radiation over a broader area. D. tropical climates have more vegetation and thus can absorb more heat. E. temperate climates are closer to the poles and the polar surfaces cause a reduction in heat gain.