The some need of the animals in the aquarium that plants can provide is oxygen.
animals need fruit too.
We need to know the territory/country to answer this question.
Animals can mark there territory by urinating (peeing) on it.
Claiming a territory allows animals to save energy by competing less with other animals.
Territory
because to protect from the predators and to provide food
Animals are useful for plants bacause tja e plant needs carbon in night and animals do need
territory is part of a country ------------------------------------- Territory is an area that is occupied and defended by an animal or group of animals. An animal protects its access to resources by establishing a territory.
Why animals are aggressive towards each other is usually for dominance and like that is their territory not your territory.
Many animals fight over their territory. Jaguars, dogs, leopards, lions, and skunks are just a few animals that are territorial.
"Lebensraum" was the word most closely related to the need for additional German territory, as it was used by Adolf Hitler to justify territorial expansion to provide space for the growing German population.