1) How do sponge obtain nutrien? a) they bring water with plankton into their bodies through pores b) they are filter feeders c) their collar cells extract food from the water d) all of the above 2) Pinococytes a) epidermis or outer surface of the sponge b) tentacles c) larvae d) provide structure for the sponge 3) Phylum Porifera a) They are sponges b) They are asymmetrical c) They are filter feeders d) All of the above 4) Cnidocytes a) used for digestion b) stinging cells of cnidarians c) used to propel cnidarians d) another word for tentacles 5) Three types of sponge a) Spongebob, sink sponge and car sponge b) Gemmules, spicules and spongin c) Ascon, Sycon and Leucon d) Hydra, Amoeba, and Polyp 6) Organisms found in Phylum Cnidaria a) Squids, Clams, and Octopi b) Insects, Crabs and Lobsters c) Bears, Cats and Goats d) Jellyfish, sea anemones and Corals 7) Cnidarians display which type of symmetry? a) Bilateral b) Radial c) Asymmetry d) Polyp 8) Spicules a) a fibrous protein that makes up a sponge b) microscopic needle-like structures made CaCO3 and silica c) sponge wall d) filter feeding cells 9) What is a planula? a) A cnidarian body form b) having the sexes housed in different bodies c) a cubed-shaped jellyfish d) a species of duck-billed playtpus 10) What Class does True Jellyfish belong to? a) Anthozoa b) Scyphozoa c) Hydrozoa d) Cubezoa

Phylum Porifera and Cnidaria

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