Porifera

... nutrition, reproduction; evolution of sex; General features and life history of Paramaecium, Monocystis, Plasmodium, and Leishmania. 4. Porifera : Skeleton, canal system and reproduction. 5. Coelenterata : Polymorphism, defensive structures and their mechanism; coral reefs and their ...

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you mean Porifera , right? Probably because they have the same cell composition as other animals.

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Which form of parasitism do sponges usually engage in? Sponges are ectoparasites but I'm not aware fo a more specific description of the type of parastism they engage in. What mechanism do sponges adapt to protect itself from suspecting predators? Sponges use silicious spicules as a physical defens...

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I wanted to know if you guys could help me out by explaining these questions to me cause I dont get a clear understanding of it from my zoology book: Which form of parasitism do sponges usually engage in? Sponges use secondary metabolites, because they can not move, when the sponge becomes threatene...

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... or even plants (like chlorophytes). Sponges are DEFINITELY animals though, and I know choanocytes (which are a type of cell unique to the phylum Porifera) are definitely flagellated. I'm a wildlife bio major, so as far as humans go, I don't know much beyond basic anatomy/phys, but from what I ...

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