10 points
10. Hormones regulate the menstral cycle and the testes produce
testosterone. What two systems are interacting? *
endocrine and nervous
integuementary and reproductive
reproductive and endocrine
endocrine and integuementary

reproductive and endocrine

Explanation:

These two systems interact to make specialized  cells and hormones, which ensure that a species of animal continues.

The return of the wolf to yellowstone national park will probably affect the bird population to some degree, not significantly. while wolves will hunt birds when necessary, they prefer to hunt larger prey. the bird population will most likely only be affected when hunting is scarce for the wolves. birds of prey will also probably not be affected as much as other birds who spend more time on the ground hunting for food as the tend to spend more time in the air or in trees since they do not need to stay on the ground for long due to the nature of the way they hunt.