communication between cells
not for long because an animal neds the digestive system to provide essential amino acids and essential vitamins and minearals which said animal could not live without
Yes but only to animal life ,because it helps scavengers get food some times
The trees provide fruit because the seeds will not be digested and the animal`s dung will be fertiliser.
because the energy comes from the sun, plants absorb energy, an animal eats the plant and then we eat the animal. The animal didn't create the energy.
Animal life depends on plants in two ways. Plants provide food for many animals and also, the plants provide oxygen for animals
yes it does use animal testing because it is medicine.
because they provide oxygen for animal respiration
No, because zoos provide them with there needs.
because man provide his basic want and need
There actually is not a structure that provides support in an animal cell because they lack a definite shape. Animal cells only have cell membranes, but those do not provide rigid support like that of the cell wall in plants.
Because fur is no longer essential as a garment, and only represents a fashion statement.
Answer:NO not every animal has killed a human...Because not every animal is capable of directly killing a human.short list of animals that have never directly killed a humanbeing in all recorded history.Common Earth wormPenguinhamsterChipmonkHumming BirdGeikohermit crabguinie pigwild turkeyBeaverRabbit