Question

how do plants and animals depend on each other for their requirement of Oxygen and Carbon dioxide

Answer 1

Plants use carbon dioxide in a process known as photosynthesis. During photosynthesis, plants give off oxygen as a waste product.Carbon dioxide moves from the air into the leaves of plants through tiny openings in the plant's leaves. ... All animals, including humans, require oxygen to survive.

Answer 2

plants need carbon-dioxide which they get from animals

animals need oxygen which they get from plants.

so they are inter dependent