It is because that's a place where no one lives so they're safe.
Answer: Plant kingdom!
Explanation: Most plants use sunlight to make food with photosynthesis but others, like the Venus fly trap, consume other organisms. Good luck! :D
They were adapted to an environment and once it is taken away the plants will slowly start to die. I'm not 100% :)
The answer is a slim layer, Flagella, and a Fimbriae
Hope this helps!!