By Clarise Trinh, PAP Bio, Guzman, P4
Basically, earthworms eat nutrients in soil and breathe through their skin. They have segments along the entire length of their body and a dorsal and ventral side. Instead of a heart, earthworms have five aortic arches. Earthworms have bilateral symmetry, protostome development, and a coelom (a fluid-filled body cavity).
Earthworms enrich and improve the quality of soil.
A worm does not have legs, arms, or eyes.
There are about 2700 different types of worms.
In one acre of land, there can be more than a million earthworms.
The largest earthworm ever found was in South Africa and measured 22 feet from its nose to the tip of its tail.
Worms are cold blooded animals.
If a worm's skin dries out, it will die.
Worms are hermaphrodites.
Worms can eat their weight each day.