Question

Conservationists help to restore ecosystems. Which activity will positively affect the antibiotic conditions of an ecosystem?

A. Keeping lakes and rivers free of pollution.

B. Planting new trees to provide food for animals.

C. Monitoring the ecosystem for bacterial pathogens that can cause illness.

D. Mating endangered animals in captivity and restoring them to their natural habitat.

Answer 1

• A. Keeping lakes and rivers free of pollution.