How do changes in an environment affect organisms that live in that environment?

Well, the environment can harm the plants and animals. The plants can die and the animals that eat those plants will not have anymore of those plants and they die and the animals that eat the animals that eat the plants will die because the animals that eat the plants died. This can happen because of pollution and global warming. I hope that helps and I hope I didn't confuse you! Sorry if I didn't help! If my answer doesn't help, than I hope you find a good answer! Thank you for reading!