Which of the following is an r-species

(a)

Human

(b)

Insects

(c)

Rhinoceros

(d)

Whale

The relationship between sucker fish and shark is__________

(a)

Competition

(b)

Commensalism

(c)

Predation

(d)

Parasitism.

What type of human population is represented by the following age pyramid?

(a)

Vanishing population

(b)

Stable population

(c)

Declining population

(d)

Expanding population

Which of the following is correct for r-selected species

(a)

Large number of progeny with small size

(b)

large number of progeny with large size

(c)

small number of progeny with small size

(d)

small number of progeny with large size

Some organisms are able to maintain homeostasis by physical means _______

(a)

Conform

(b)

Regulate

(c)

Migrate

(d)

Suspend.