Cats can bite you if they're playing or just want alone time to them selfs. Plus if they think you are going to do harm to them.
Hope this helps! :D
Yes because if there is too much vegetation and not enough omnivores or herbivores the carnivores could eat all other animals and the eventually go extinct because of food loss and starvation. <span />
Yes I think they are all examples of solids I hope this helps you
Difussion,semipermeableand osmosis
I think C) availability of water is your best answer because alot of organisms count on water as a major resource because they need it to survive so a lack or a gain in the amount of water will majorly effect an ecosystem.