1. Earthworms
There are other things also included in this phylum such as bristle worms and leaches. They are bilateral, which means that if you cut them down the middle long ways they would be the same on both sides. ... They live in water because they dehydrate easy. ... Then blood cells carry the oxygen and carbon dioxide from cells to vessels. They have a closed circulating system. ...
- Word Count: 123
- Approx Pages: 0
- Grade Level: High School