Phylum Annelid Worms
The Earthworm
There are 2,700 different types of earthworms. Earthworms have 5 hearts. Earthworthms do not have legs, eyes, or arms. An earthworm can only grow so long. You can find earthworms where there is food, water, and oxygen. Earthworms tunnel very deep leaving a slime that contains nitrogen to help plants grow. Earthworms also leave behind castings which is a good fertlizer for crops. Earthworms are hermaphrodites, they can also regrow their body parts or regenerate them.
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