La'Quoy Coleman Walker
The oceans ecosystem
How humans are good to the oceans ecosystems: They are good cause most of the time the keep the ocean clean. Sometimes the don't plus the like to go fishing and get fish for supper. The reasons why the humans keep the ocean clean is because they want there fish to turn out good and for it to taste yummy.
How humans are bad to the oceans ecosystem they pour stuff in the ocean like food trash oil and sewage. That is bad for the oceans ecosystem. It could kill the fish and especially if your fishing it could kill you.