Question

certain species, called specialist species, have evolved to occupy a narrow ecological role or \way of life\. they may be able to live in only one type of habitat, use few types of food, or tolerate a narrow range of environmental conditions. which of the following is an example of a niche specialist? choose 1 answer: a salmon, which can live in both salt water and fresh water and in a variety of temperatures. b raccoons, which are omnivores that eat nuts, berries, insects, frogs, and other foods. c cockroaches, which can live in almost any climate. d koalas, which are native to australia and have a diet that consists mainly of eucalyptus leaves.

Explanation:

Specialist species have a narrow ecological role. Koalas are native to one place (Australia) and have a limited - diet mainly of eucalyptus leaves, fitting the description. Salmon can live in different water types and temperatures, raccoons are omnivores with a wide - range diet, and cockroaches can live in almost any climate, all indicating broader ecological roles.

Answer:

D. Koalas, which are native to Australia and have a diet that consists mainly of eucalyptus leaves.