How does adaptation affect the health of an ecosystem?

Adaption allows an organism to change according to the environmental needs, and ensures more chances of survival in the ecosystem. Example - If species of a particular type are in danger (lets say due to predation), the prey will adapt itself (overtime) to look like the environment (camaflouge suppose) and thus this will ensure the better chances of their survival

Explanation:

stress fractures occur largely in the feet and legs and are common in sports that require repetitive impact, primarily running/jumping sports such as gymnastics or track and field.