Annelids are organisms which are invertebrates and are worms. Examples
Include earthworm, rag worm and leeches.
They don’t have a gastrovascular cavity. They don’t have an open circulatory system, instead it operates on a closed circulatory system.They lack pseudocoeloms which is the space between the endoderm and mesoderm. They however exchange gases through their moist skin.
Explanation: Human approach, attitudes and adherence to the safety skills does deal with the impact over environmental factors at a personal level. We have to be more careful and cautious while we pursue our own habits, and activities, with the aim of posing less harm to the environment in any way.
