Because the process of photosynthesis releases oxygen and allows us to breathe.
The rich variety of animals and plants is biodiversity.
they are important because they let out oxygen which we breath and without them, we wouldn't breath or live. that's why they call amazon forest the lungs of earth because it has lots of trees. understand?
Botanists.
They are called botanists.
omnivore
People who live on Earth are called humans or Earthlings.
Small plants grow but are eventually replaced by larger plants.
Irrigation
Green from chlorophyll (plants); also called 'blue' from the water.
shelfish
no
Botanist / herbologist studies plants, people who cultivate cannabis are considered growers