Question

how does high biodiversity affect an ecosystem?
a. it makes the ecosystem able to survive disturbances.
b. it allows more introduced species to become invasive.
c. it prevents disturbances in the ecosystem.
d. it makes species more likely to go extinct.

Explanation:

High biodiversity means there are many different species in an ecosystem. If one species is affected by a disturbance (like a disease or a change in the environment), other species can often take over its role. For example, if a particular plant that some herbivores eat is damaged, there may be other plants for the herbivores to consume. This redundancy helps the ecosystem as a whole continue to function and survive the disturbance. Option B is incorrect because high biodiversity does not promote introduced species becoming invasive (in fact, a diverse ecosystem may have more natural predators or competitors for an introduced species). Option C is wrong because disturbances (like natural disasters) can still occur in a high - biodiversity ecosystem. Option D is incorrect as high biodiversity generally provides more resources and niches, reducing the likelihood of species extinction.

Answer:

A. It makes the ecosystem able to survive disturbances.