Meet the arthropoda

524 views
423 views

Published on

0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
524
On SlideShare
0
From Embeds
0
Number of Embeds
3
Actions
Shares
0
Downloads
5
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide
  • Krill
  • Meet the arthropoda

    1. 1. Meet the Arthropods“Jointed Feet”Kingdom Animalia!
    2. 2. Anatomy• External skeletonmade of calciumcarbonate (Chitin)• Jointed appendages• Segmented bodythat is plankton-sized to a fewmeters long• Bilateral symmetry
    3. 3. Anatomy cont.• Open circulatorysystem – internalorgans bathed inblood• Nerve ganglia• Compound eyes• Rely on chemical andmechanical sensors(pheromones &antennae)
    4. 4. Reproduction• External fertilization• Externaldevelopment –frequently inpouches, sacks, onparents’ body• Planktonic larvae
    5. 5. Phylum ArthropodaTwo Subphyla:A) SubphylumChelicerata – Sea Spiders& Horseshoe CrabsB) SubphylumCrustacea – Lobsters,Crabs, Shrimp, Barnacles
    6. 6. Habitat & Distribution• Mostly benthic• Mostly epifauna• Worldwide• This phylum contains• the most species of any on earth
    7. 7. The only “attached”crustaceanCan you name them?
    8. 8. 1. Subphylum Chelicerataa. Sea Spiders and b. Horseshoe CrabsLike all Arthropods, they have no bones andgrow by molting!
    9. 9. a. Class Pycnogonida(sea spiders-yipes!)
    10. 10. b. Class MerostomataHorseshoe Crabs areTrue Blue BloodedCreaturesWe have ____________________ to make our bloodredMany crustaceans have hemocyanin, making theirblood blue!http://www.youtube.com/watch?v=e8KlAmtIu1E
    11. 11. MaleHorseshoeCrabsHaveModifiedFront LegsThat LookLikeBoxingGloves orBaseballMitts toHelp Holdonto theFemaleDuringMating
    12. 12. http://horseshoe-crabs.com/horseshoe-crabs-life-cycle-on-video/
    13. 13. 2. Subphylum – Crustacea – Lobsters,Crabs, and Shrimp – oh my!
    14. 14. Crustacean Diversity
    15. 15. More Crustaceans:the sea insectsScuds, Beach Hoppers, Beach Fleas, and Skeleton Shrimp:The Amphipods
    16. 16. Still that familiarmeroplanktoniclarvae we know andlove! Special Name:Zoea
    17. 17. Still No Skeleton – Molting Instead
    18. 18. The Smallest, Most AbundantCrustacean in the World’sOceans:The Little Copepod??What’s the largest planktonicCrustacean??Are You “CooCoo” for Copepods?
    19. 19. What’s Going On Here????http://www.youtube.com/watch?v=yMxY4c5SeIshttp://news.nationalgeographic.com/news/2006/09/060921-krill-video.html
    20. 20. http://library.thinkquest.org/J001418/what.htmlWhich Numbers Belong To WhichPhyla?(Try the rest for a good review beforethe unit test!)
    21. 21. References (on our class website)• http://www.dnr.state.md.us/baygame/bbc_molting.asp• http://www.k12.de.us/warner/structure.html

    ×