Daniela Rojas~ Vu-PAP Bio-1st period
Predators: insects, birds, etc.
Prey: nematodes, protozoans, etc.
Niche: break down organic matter and improve soil.
Ecological Adaptations: Mucus coating helps oxygen pass through the earthworms skin and its streamlined shape helps it move through the soil.
Organs involved: pharynx, esophagus, crop intestine, and gizzard.
More: The circulatory system works with the digestive system to move nutrients throughout the organism and to all of the cells.
- The earthworm is made out of about 100-150 segments.
- People use earthworm castings as garden fertilizers.
- Earthworms are the main contributors to enriching and improving soil for plants, animals, and humans.
- The largest earthworm ever found was in South Africa and measured 22 feet.