Answer:
-People's activities can improve the health of an ecosystem.
-Plants produce food for ecosystems.
-Predators keep ecosystems healthy.
Step-by-step explanation:
-People can have significant impacts on ecosystems, and while human influence is typically thought of as destructive, we can also help keep an ecosystem healthy by not disrupting natural patterns.
-Plants produce food for many consumers in an ecosystem and are a source of food for large numbers of organisms that exclusively consume plantes.
-Predators are healthy for an ecosystem because they prevent the overpopulation of any one species.