Please Help An ecosystem contains organisms interacting with each other and their physical environment. Which of these is the BEST indicator of a healthy ecosystem
A. There are few decomposers
B. There are many different species.
C. There are few herbivores.
D. There is a large population of only one species.

i think i can answer even without the example. over time with environmental changes, sometimes a group of animals will adapt to better survive. take a moth for example. if the trees the moths use to camouflage themselves from predators, started to die or change colors themselves, the moths may, overtime of course, change color too. its just adapting to its surroundings. hope i was of any : )

1. glacier movement over the crust.

2. upwelling from the water table.

3. formation of a terminal moraine

explanation:

lakes can be formed as a result of these three options.