1 / 27

Invertebrates

Invertebrates. Biology for Majors. Sponge Morphology. Cnidarians. Cnidarians: Two Body Plans. Cnidarians have two distinct body plans, the medusa (a) and the polyp (b). All cnidarians have two membrane layers, with a jelly-like mesoglea between them. Polymorphic Cnidarians. Class Anthozoa.

lantz
Download Presentation

Invertebrates

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. Invertebrates Biology for Majors

  2. Sponge Morphology

  3. Cnidarians

  4. Cnidarians: Two Body Plans Cnidarians have two distinct body plans, the medusa (a) and the polyp (b). All cnidarians have two membrane layers, with a jelly-like mesoglea between them

  5. Polymorphic Cnidarians

  6. Class Anthozoa

  7. Class Scyphozoa

  8. Lifecycle

  9. Class Cubozoa

  10. Class Hydrozoa

  11. Phylum Platyhelminthes

  12. Phylum Rotifera

  13. Phylum Nemertea

  14. Phylum Mollusca

  15. Practice Question What traits in the diagram on the last slide does the aquatic gastropod pictured share with other mollusks?

  16. Mollusk Development: Torsion

  17. Phylum Annelida

  18. Phylum Nematoda

  19. Phylum Arthropoda

  20. Subphylum Hexapoda

  21. Subphylum Myriapoda

  22. Subphylum Crustacea

  23. Arthropod Appendages Arthropods may have (a) biramous (two-branched) appendages or (b) uniramous (one-branched) appendages.

  24. Larval Stages in Crustaceans

  25. Subphylum Chelicerata • Body divided into two parts: prosoma and opisthosoma • The first pair of appendages are the the chelicerae, specialized, claw-like or fang-like mouthparts

  26. Phylum Echinodermata

  27. Quick Review • What are the common characteristics of phylum Porifera? • What are the common characteristics of phylum Cnidaria? • What are the common characteristics of superphylumLophotrochozoa? • What are the common characteristics of superphylumEcdysozoa? • What are the common characteristics of superphylumDeuterostomia?

More Related