All the needs of animals living in a forest are fulfilled. Justify this statement in a few sentences

Explanation

Animals don't suffer in forest because of the following reasons-
i) Plants consumer carbon dioxide and give out oxygen to the animals for respiration.
ii) Plant eating animals (herbivores) depend on plants and trees and the animals eating flesh (carnivores) eat some herbivores animals.
iii) Big trees or trees are a shelter to many forest animals like monkey, snake, birds, etc.