Annelids
Habitat:
Most environments excluding frozen soil and dry sand/soil
Reproduction:
Sexual and hermaphrodites
Anatomical Features:
- Complete digestive tract
- Closed circulatory system
Evolutionary Milestones:
Bilateral Symmetry
Predators/Prey:
Prey: Eat soil or blood of organisms (filter feed)
Predators: fish, amphibians, mammals, reptiles, birds, and other organisms
Symmetry:
Bilateral Symmetry
Mobility:
All annelids use setae (tiny bristles on each segment)
Development:
Zygote, cleaving embryo, stereoblastula, protrochophore, early trochophore, adult
Most environments excluding frozen soil and dry sand/soil
Reproduction:
Sexual and hermaphrodites
Anatomical Features:
- Complete digestive tract
- Closed circulatory system
Evolutionary Milestones:
Bilateral Symmetry
Predators/Prey:
Prey: Eat soil or blood of organisms (filter feed)
Predators: fish, amphibians, mammals, reptiles, birds, and other organisms
Symmetry:
Bilateral Symmetry
Mobility:
All annelids use setae (tiny bristles on each segment)
Development:
Zygote, cleaving embryo, stereoblastula, protrochophore, early trochophore, adult