Which are examples of negative feedback? Select three options. a child whose thymus gland is building an immune system that gets stronger each day when someone's adrenal gland reacts to a scary movie by secreting hormones that make the heart beat quickly when someone's pancreas stops producing the hormone that lowers blood sugar because the person hasn't eaten recently when someone's pancreas hormone increases every time they eat, but decreases when they aren't eating when a person takes calcium supplements so a gland will stop secreting a hormone that pulls calcium from the bones

I believe #3, 4, & 5 is your answer.

Explanation:

-When someone's pancreas stops producing the hormone that lowers blood sugar because the  person hasn't eaten recently.

-When someone's pancreas hormone increases every time they eat, but decreases when they aren't eating.                                                                                

-When a person takes calcium supplements so a gland will stop secreting a hormone that pulls calcium from the bones.

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.