we can protect our ecosystem by not dumping junk in our oceans and putting more garbage cans around the beach so peolpe could stop dumping there garbage everywhere.
its a big ocean it can protect anything
One way you can help protect octopuses is to stop littering in the ocean.
What can be done to protect the ocean is less oil spills, and don't dump chemicals into the ocean and don't litter the ocean with garbage and don't pollute the air because I think it would also pollute the water too.
We can protect the planet from pollution by not dumping trash in the ocean and planting trees.
lobsters protect themselves by hiding in holes at the bottom of the ocean of they use there claws.
Stop polluting is a start.
you uys are retards if you dont no this
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They can't protect themselves from herbivores.
The MARINE SANCTUARIES !
To eat the other fish and protect their group!!
They protect the coastline from the ocean storms.