Question

1.

Which of the following is an adaptation to nocturnality?

large body size

large eyes

immobile ears

color vision

2.

The social organization and behavior of a species are directly influenced by

environmental factors.

genetic mutation.

metabolic rates.

heritability of a trait.

3.

Hind-limb dominance refers to

vertical clinging and leaping.

opposable toes and thumbs.

a tendency in primates toward bipedal locomotion.

the fact that hind limbs do most of the locomotor work.

4.

A smaller animal is more likely to be a(n)

insectivore than a frugivore, because it requires higher-quality food than larger animals.

frugivore than an insectivore, because it cannot outcompete larger animals.

frugivore than an insectivore, because it requires a lower quantity of food than larger animals.

insectivore than a frugivore, because it cannot outcompete larger animals.

5.

In primate dentition, the left side of a jaw is identical to the right side. This is called

bilateral symmetry.

pleiotrophy.

positive correlation.

homologous dentition.

Answer 1