Species Profile
Pheretima posthuma
Earthworm
KingdomAnimalia
PhylumAnnelida
ClassOligochaeta
OrderUnknown
FamilyUnknown
Introduction
Pheretima posthuma lives in moist soil.
Feeds on decaying matter.
Important for soil structure.
Size & Structure
01
Cylindrical body
02
Clitellum visible
03
Numerous segments
04
Brownish
Pheretima posthuma — 3D Model
General Features
- Coelom
- Coelomate
- Body plan
- Tube within a tube body plan (Protostomous)
- Germ layer
- Triploblastic
- Metamerism
- Present
- Body symmetry
- Bilateral
- Fertilization
- Internal
- Digestion type
- Complete
- Nervous system
- Ladder-like
- Excretory organ
- Nephridia
- Body temperature
- Poikilothermic, stenohaline
- Circulatory type
- Closed circulation
- Development type
- Direct
- Respiratory type
- Cutaneous
- Mode of excretion
- Ammonotelism
- Circulation system
- Closed
- Skeleton structure
- Absent
- Level of Organisation
- Organ system level
- Regulation of Osmosis
- Osmoregulator
Ecology
Soil mixing
Organic matter breakdown
Nutrient cycling
Economic Importance
Soil fertility
Educational specimen
Vermiculture