Question

Human activities can alter an ecosystem and bring about the extinction of a species. Such activities include any of these except A) hunting a species to extinction. B) assuring a habitat remains unharmed. C) introducing toxic compounds into food webs. D) introducing a new species into an environment.

Answer 1

the correct answer is B

Answer 2

The correct answer is option B, assuring a habitat remains unharmed

Step-by-step explanation:

Among all the given options , human activities preserving the ecosystem is depicted in option B where human is not trying to disturb the ecosystem. While in all other options, hunting a species upto extinction will create disappearance of an species from ecosystem, introducing toxic compound to a food web will lead to transfer of toxic compound to each trophic level and in the last option D, even if a new species is introduced in the food web, it will destablize the food web thereby making the ecosystem as unstable.