| A | B |
|---|
| sponges | simplest of all animals |
| sessile | live in one place |
| asconoid | simple body type - pore cells open directly into sponge |
| syconoid | more complex body type - pore cells open into canals |
| leuconoid | most complex body type - pore cells open int canals tht open into chambers |
| pore cells | act as the mouth of the sponge |
| collar cells | have flagell along interior lining to to filter out food from water |
| amoebocytes | act as the stomach to carry nutrients to the sponge's body |
| osculum | enables waste to exit the sponge |
| spicules | sponge's skeleton (similar to human bones) |
| epithelial cells | skin cells that give sponge support and protection |
| porifera | scientific name for sponges |
| calcarea | spicule made of calcium carbonate |
| hexactinellida | spicules made of silicon (glass sponge) |
| demospongia | spicules are spongin (squishy) / people's sponge) |
| asexual reproduction | include budding and regeneration |
| hermaphodite | produce both eggs and sperms |
| gametes | another name for eggs and sperms |
| regeneration | ability to grow back body parts |
| asymmetry | type of symmetry that sponges have |
