Sponges<br />26-2<br />
Choanocyte <br />Specialized cell in sponges that uses a flagellum to move a steady current of water through the sponge.<b...
Osculum<br />Large hole at the top of the sponge through which water leaves the sponge.<br />
Spicule<br />Spike-shaped structure that makes up the skeletons of harder sponges; made of either calcium carbonate or sil...
Archaeocyte<br />Specialized cell in a sponge that makes spicules.<br />
Internal Fertilization <br />Process in which eggs are fertilized inside the female’s body.<br />
Larva <br />Immature stage of an organism that looks different from the adult form.<br />
Gemmule<br />Group of archaeocytes surrounded by a tough layer of spicules; produced by some sponges. <br />
Hmmm….<br />Why are sponges classified as animals?<br />
Sponges are classified as animals because they are multicellular, heterotrophic, have no cell walls, and contain a few spe...
Well….<br />How do sponges carry out essential functions?<br />
The movement of water through the sponge provides a simple mechanism for feeding, respiration, circulation, and excretion....
Upcoming SlideShare
Loading in …5
×

Sponges

696 views

Published on

Published in: Technology, Education
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
696
On SlideShare
0
From Embeds
0
Number of Embeds
2
Actions
Shares
0
Downloads
13
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Sponges

  1. 1. Sponges<br />26-2<br />
  2. 2. Choanocyte <br />Specialized cell in sponges that uses a flagellum to move a steady current of water through the sponge.<br />
  3. 3. Osculum<br />Large hole at the top of the sponge through which water leaves the sponge.<br />
  4. 4. Spicule<br />Spike-shaped structure that makes up the skeletons of harder sponges; made of either calcium carbonate or silica. <br />
  5. 5. Archaeocyte<br />Specialized cell in a sponge that makes spicules.<br />
  6. 6. Internal Fertilization <br />Process in which eggs are fertilized inside the female’s body.<br />
  7. 7. Larva <br />Immature stage of an organism that looks different from the adult form.<br />
  8. 8. Gemmule<br />Group of archaeocytes surrounded by a tough layer of spicules; produced by some sponges. <br />
  9. 9. Hmmm….<br />Why are sponges classified as animals?<br />
  10. 10. Sponges are classified as animals because they are multicellular, heterotrophic, have no cell walls, and contain a few specialized cells. <br />
  11. 11. Well….<br />How do sponges carry out essential functions?<br />
  12. 12. The movement of water through the sponge provides a simple mechanism for feeding, respiration, circulation, and excretion.<br />

×