Annelida
by Ana Santamaria and Ashley Sauceda
Annelida
Amelida is known as the ringed warm or segmented
symmetry: bilateral
grade of construction: organs derived from three tissue layers
Characteristics
- long, slender soft body
- body covered with mucus to conserve water
- Bristles (stiff hair) usually present for movement
- many are hermaphrodite
Major Groups
Intresting facts
Earthworms come in a seemly infinite variety—around 6,000 species worldwide.
Lacking lungs or other specialized respiratory organs, earthworms breathe through their skin.
Each earthworm is both male and female, producing both eggs and sperm.
Baby worms emerge from the eggs tiny but fully formed
Full size for an earthworm varies among species, ranging from less than half an inch long to nearly 10 feet.
if you split one in have you now have two of them
in Latin Annelids means little ring
can be found in salt fresh water as in soil
Video
Shape of Life: Annelids - Leeches