1. Everything for Project is due Tuesday, September 19th
Powerpoint (Office) to or have on jump drive Have your name on Title Slide
Citations (Word document) - HAVE YOUR NAME ON IT–
Notes - (handout)
Bell work this week is your attendance (as usual) and your on task behavior
Work that is not turned in on time is LATE

2. PowerPoint Presentation
15 points = 30%
5-7 slides
Title (Group, animal, and you)
General Traits Group (body, movement, senses, special traits)
Reproduction/life cycle
Roles in Ecosystem (food webs)
Where found (range, habitat)
Interesting facts…
3-5 minutes

3. Caribbean Barrel Sponge Xestospongia muta Karen Thamarus
Porifera The Sponges
Caribbean Barrel Sponge
Xestospongia muta
Karen Thamarus

4. General Features of Sponges
No symmetry
Simple body – no tissues
Benthic organisms – all latitudes.. Polar to tropical
Spicules- small skeletal cells in sponges

5. Typical Sponge Reproduction
Asexual – budding
Sexual -
Sperm released into water
Fertilizes egg cells in sponge “wall”
Larva released

6. Ecosystem Roles Filter feeder
Captures plankton that flows through pores
Also provides very important habitat for other species
Symbiosis with cyanobacteria
Habitat provider

7. Caribbean Barrel Sponge Range
Tropical
Caribbean reefs
from Bermuda to Florida and into Gulf of Mexico ...

8. Interesting Facts Some are over 2000 years old. Up to 2 meters tall
only reproduce sexually.
Male and female sponges
External fertilization

9. Citations (10 points = 20%)
Make sure you put your full name and period on the top of this word document.
Minimum is 4 references
Use “Easy Bib”or similar application make your citation list.