Mind map

Annelida

Kenny Shimer English

Map content

Annelida

are ringed or annulated
mostly marine some terrestial species excist
- habitat in areas such as sand flats and deep sea vents
chemoautotrophic in deep sea life
pelagic
tubifex worm example of detritovores
can be parastite
- example of it si leeches
bauplan
- schizocoelous
- digestive system comples and specialized by region
- closed circulatory stystems
  - have a "heart"
- respire through skin
- metanephrida
  - Each segment with parapodia and chaetae
- segmented body
  - head has two parts prostomium peristomium
  - Terminal (posterior) segment: pygidium
- locomotion through hydrostatic skeleton
classes
- polychaeta
  - most primtive parapodia with chaetea have plalps with antenne
  - can asexualy reproduce
  - sexually produces trochophore larave
  - sectiosn added via metamerism
- oligocheata
  - little to no palps or anteena
    - ve a clitellum- saddle
      - limited regenerative power
        hermaphrodictic
- Hirudinea
  - blood feeders
  - sexual simiar to oligiocheara and uses a cancoon