It's the 4 the answer I hope it has served you
The definition of a biome is the community of many ecosystems in one general area. Many ecosystems can exist in a biome because a biome could have a water ecosystem and a dirt ecosystem.
Cancer is ultimately the result of cells that uncontrollably grow and do not die. Normal cells in the body follow an orderly path of growth, division, and death.
The animal prepares for the hibernation ahead of time gathering food and eating so that it can sleep for the extended period of time without leaving
