Phylum annelida
The basics
Body plan
- Consist of segments & have a coelom
-Undergo protostome development
-Bilateral symmetry
Habitat
-Most Annelids live in the Sea
-Lives almost everywhere except frozen soil of the polar regions and in the sand of dry deserts
Feeding
Food and dirt is taken in by the mouth, where it is moved into the crop, where they are stored until they pass the gizzard.
The gizzard helps grind the soil and food before passing the intestines. The nutrients are absorbed from the intestines and undigested nutrients will pass through the anus.
Reproduction
-Reproduce both sexually & asexually
-Annelids can reproduce asexually by fragmentation
-Annelids such as the leeches & earthworms are hermaphrodites
- Consist of segments & have a coelom
-Undergo protostome development
-Bilateral symmetry
Habitat
-Most Annelids live in the Sea
-Lives almost everywhere except frozen soil of the polar regions and in the sand of dry deserts
Feeding
Food and dirt is taken in by the mouth, where it is moved into the crop, where they are stored until they pass the gizzard.
The gizzard helps grind the soil and food before passing the intestines. The nutrients are absorbed from the intestines and undigested nutrients will pass through the anus.
Reproduction
-Reproduce both sexually & asexually
-Annelids can reproduce asexually by fragmentation
-Annelids such as the leeches & earthworms are hermaphrodites
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WOW!Annelids have moist skin because the gas exchange or respiration takes p
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