masturbation
The animals adopt to their natural environment, by their suitable body structure which is supported to their surrounding environment.
wilderness / wildlife
Natural environment is extremely important to the survival of those who inhabit it. Animals survive better in their own natural environment.
the natural environment is converted with plants animals trees hills
people
Natural environment is how an are is without human intervention. This includes the type of plants and animals that are native to a certain environment.
The study of animals in their natural environment is called ethology. Ethologists observe animal behavior in the wild to understand their natural instincts, social interactions, and adaptation to their environment. By studying animals in their natural habitat, researchers can gain insights into their ecological role and evolutionary history.
Population Density
Your first error here is to think that our man-made environment is not "natural". We are animals that live here on the planet Earth, and we and our works are entirely "natural".
The environment is useful for animals as it is an animal's natural habitat. It's the same with humans.
They might not have been able to adapt.
A wildlife preserve is an area set aside to protect the animals in their natural environment.