So the marine animals don't eat the plastics that could be recycled and used for other products other than killing marine creatures.
Because a food chain is based on one certain thing in the ecosystem ....if the entire ecosystem was in it it would be a food web which is food chains from an ecosystem linked together
Hope that helps
You times all of them together and you would get the answer
The discovery of DNA has allowed us to trace ancestors and find out how early humans lived, what they looked like, and who they were.
