1 / 10

Annelida

Annelida. Alec Demitrus Owen Smith. Phylum Classes. Oligochaeta (Earthworms) Polychaeta (Marine worms) Hirudinea (Leeches). Habitat and Species. Ocean Freshwater Habitat Damp Soil 12,000 known species. External Anatomy . Internal Anatomy . Symmetry and Skeleton.

shandi
Download Presentation

Annelida

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Annelida Alec Demitrus Owen Smith

  2. Phylum Classes • Oligochaeta • (Earthworms) • Polychaeta • (Marine worms) • Hirudinea • (Leeches)

  3. Habitat and Species • Ocean • Freshwater Habitat • Damp Soil • 12,000 known species

  4. External Anatomy

  5. Internal Anatomy

  6. Symmetry and Skeleton • Earthworms have bilateral symmetry. • Earthworms are invertebrates.

  7. Life Cycle and Distinguishing Features • Hermaphrodites that lay cocoons that produce mini adults • Features include: • No obvious appendages • No antennas • Generally no difference in head or tail • Cylindrical bodies • Reduced head

  8. Facts/Importance and Conservations Status • Earthworms don’t have lungs, they breath through their skin & can live under water for a while. • Leeches they are use in medical studies to remove blood cloaks

  9. Bibliography • http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/I/Invertebrates.html • http://www.ento.csiro.au/education/allies/annelida.html • http://en.wikipedia.org/wiki/Annelid#Reproduction_and_life_cycle • http://en.wikipedia.org/wiki/Polychaete • Campbell, Neil. Biology, 8th edition. AP Edition ed. San Francisco: Pearson, 2008. Print.

More Related