Earthworm digestive

Objective: Identify parts and function of body parts.

Background Information

Scientific name- Lumbricina

Habitat- Most live in mud around freshwater, some under water, and the majority in the soil

Predators- Humans, Raccoon, Armadillos, Chipmunks, & Monkeys.

Prey- Eat dead and decay animals.

Niche- Soil

Ecological Adaptation- Adaptations are bristly hairs on each segment, a body with no appendages, circular muscles in each segment, and pulls its food inside of the mouth area.

Trophic Level: Decomposer

Population Dynamics: Population dynamics of earthworm was significantly correlated with rainfall and physical characters of the soil.

Symbiotic Relationship: With Bacteria

Biological Units

Taxonomy- Kingdom: Animalia
Phylum: Annelida
Class: Clitellata
Subclass: Oligochaeta
Order: Haplotaxida

Human Impact: Negative impact, humans are the main predator of earthworms.

Body system: To decompose dead and decay animals, break down dead organic matter and put them back to earth & finally organs help it decay the organic matter