1. Group members, Aurora, Jake, Julia
Annelids
Group members, Aurora, Jake, Julia

2. Phylum: Annelida
This is mainly segmented worms, such as Earthworms or leeches.

3. Symmetry
Annelids are bilateral, which means it looks the same on both sides of the body.

4. Feeding
Annelids are detritivores which feeds on dead organisms/organic matter.
-Free Living
-Independent feeding
-Example: Earthworms
Parasitic
-Lives off a host
-Example: Leeches

5. Circulation
They have a closed circulatory system.

6. Excretion Digestive waste exits through the anus
Nitrogenous wastes are eliminated by nephridia
Invertebrate organ that functions like vertebrate kidneys

7. Response Annelids have Ganglia
-Ganglia: a network of cells forming a nerve center in the nervous system of an invertebrate.

8. Movement Moves by contracting muscle cells Two major sets of muscles:
Longitude muscles (run from anterior to posterior)
Circular muscles (coil inside the worm)
They also have tiny hair like structures called setae which grips the dirt and helps the worms move.

9. Reproduction
Annelids are capable of both sexual and asexual reproduction
Worms and some leeches have a clitellum which hold their reproductive parts

10. Respiration Annelids respire by either gills, lungs, or by diffusion
- Diffusion: a physical process that refers to the net movement of molecules from a region of high concentration to one of lower concentration.

11. Names of Classes/Examples
The three main classes are:
Oligochaetes- freshwater and earthworms
Polychaetes- marine worms
Hirudineans- leeches.