A tornado is formed by two rocks hitting together under the ground which makes the ground shake.
To help the frog to maintain homeostasis
B:2 it is measured by the crest of the wave or as I say the top of the wave
Predators have to eat. If things are good in an eco-system then the prey is eating good which means the predators can eat good also. Starvation means that things in the eco-system are going bad. Also, It helps the earth maintain its balance. If too much of any aspect of the system is removed it throws the whole thing off balance. too many herbivores will eat too much vegetation.