The tropical rainforest biome or environment has the most plants and animals in it.
An ecosystem is a place where plants and animals ( maybe humans ) live and animals and plants live in the desert so … 
If their are more plants then it will be no space for the other plants and animals
There are changes brought up in animals and plants. It is due to evolution.
They are plants, animals, and organisms.
Plants, specifically through photosynthesis, are alive and provide oxygen for animals in the ecosystem. This process involves plants absorbing carbon dioxide and releasing oxygen as a byproduct, which animals then utilize for respiration.
there will be no ecosystem
So the animals that eat plants can eat plants and won't run out.
An ecosystem is a place where plants and animals ( maybe humans ) live and animals and plants live in the desert so … 
If their are more plants then it will be no space for the other plants and animals
Show a ecosystem diagrams about animals rain forest rivers plants?
There are changes brought up in animals and plants. It is due to evolution.
Stuff like animals and plants
they are biotic because they have a ecosystem
They are plants, animals, and organisms.
an ecosystem
Because it is to their ecosystem that animals (plants and other organisms too) have adapted through evolution.
a tundra eco system is made up of only short stubby plants and not many animals