What are the non-essential nutrients?

1. What specialized cells transport nutrients to all parts of the sponge?

• A. Pinacocytes B. Choanocytes C. Amoebocytes D. Collar cells 2. How does waste water leave a sponge’s body? A. Through tiny pores in the body wall B. Through a large hole, called an osculum, at the top of the sponge C. Through the spicules D. By osmosis through the body walls 3. How is a polyp similar to a medusa? A. Both are free-swimming B. Both have a mouth and tentacles C. Both are umbrella-shaped D. Both are sessile filter feeders 4. What term describes a stinging structure that contains a poisonous harpoon? A. Mesoglea B. Gastrovascular cavity C. Nematocyst D. Medusa 5. How do cnidarians digest food? A. Cells in the tentacles secrete digestive enzymes and absorb nutrients. B. Food is digested in the mouth. C. Food is digested in the gastrovascular cavity; waste leaves through the oculum. D. Cells in the gastrovascular cavity secrete digestive enzymes and absorb nutrients.

• Answer:

  1.C 2. B 3.B 4.C 5.C (or possibly D) everything else im 100% sure of