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Group 1: Porifera, Cnideria, Ctenophora worksheet


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Group 1:

Porifera, Cnideria, Ctenophora worksheet

Part I.

Word Bank: each word is used only once. There are extras

Ctenophora radial osculum spicule

Cephalization choanocyte amoebocytes spngin

Gastrovascular cavity polyp medusa ostia

Sponges flagellum spongocoel porocyte
1. An example of porifera is a sea _______________.

2. Sponges have no ________________.

3. Water is drawn through the pores into the _______________, then the water flows out through the ________________.

4. The _________________ of the ________________ collect the food particles.

5. ________________ got their name from their use of pseudopodia.

6. The ________________ is the central digestive compartment of cnideria.

7. Cnideria have ______________ symmetry.

8. ______________ and _____________ are the two main stages/ structures of the cniderian life cycle.

9. The largest animals to use cilia for locomotion are ______________.


Part II.


Matching: Match the term to the definition, frase, or example. Some words may be used more that once.
_____1. Cnidaria a. ctenophora

_____2. Cells that function in defence and capture of prey. b. porifera

_____3. Has a life cycle with two forms. c. jellyfish

_____4. Very similar to jellyfish. d. cillia

_____5. Ctenophora’s other name. e. hermaphrodites

_____6. “Combs” are made of __________. f. cnidocytes

_____7. Gender of most sponges. g. comb jellies

_____8. “Pore bearer.” h. female



_____9. Sea anemones. i. cnideria


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