Algae play a crucial role in the marine ecosystem.
choose the appropriate justification for this statement.

algae are the decomposers present in the marine ecosystem; any damage to them could cause imbalance in the entire marine ecosystem.

algae are the primary consumers in the marine ecosystem; any damage to the primary consumers can cause imbalance in the entire marine ecosystem.

algae are the primary producers of food in the marine ecosystem; any damage to the primary producers can cause imbalance in the entire marine ecosystem.