Question

Which of the following populations would be least likely to survive a change in its ecosystem? A. brown bears that can eat a variety of different kinds of food. B. koalas that eat only eucalyptus leaves. C. grasses that can grow in normal or contaminated soil. D. bacteria that can grow in both hot and cold environments.

Answer 1

I think the correct answer from the choices listed above is option B. Koalas are the least likely to survive a change in its ecosystem because they only eat eucalyptus leaves. They have limited food as compared to the other choices which are able to thrive at various conditions.

Answer 2

Populations that are least likely to survive a change in an ecosystem would be - B. koalas which eat only eucalyptus leaves due to the fact they are dependent on a single food resource.

Survival in a change in ecosystem

Populations that can survive in an ecosystem that is changing are ones that can live in different environmental conditions or with more than one food resource.

In the given populations all are able to depend on more than one food resource or different environmental conditions except Koalas which depend only on eucalyptus leaves.

Learn more about Change in an ecosystem: