I think the didn't help the echosystem .
Alexis Stone
There were dinosaurs because.... there just were! Dinosaurs helped balance out the ecosystem. By the way, an ecosystem is a group of living and nonliving things in the same enviornment.
We no longer have dinosaurs
They help the ecosystem with there poo
How does Vegetation help with a river Ecosystem?
They help the ecosystem and contribute to it and they help they ecosystem.
Dinosaurs eat their food by preparing their stomachs with stones to help the digestion of plants. etc
Climatic conditions help to shape the earth's ecosystem.
snails
create an community.
hahah are you serious? bahah. anyway, you cannot help them, they are extinct. haaa
decomposers help return the nutrients in the envierment :)
Hi!!! yes you can have the word ecosystem in a sentence for example:We should help our ecosystem for us to have a better world.