Porifera & Cnidarian Crossword Puzzle

1. A type of invertebrate animal that is a member of the phylum cnidaria.
6. Microscopic whip-like structures that help cells move through liquids.
8. A genus of small, tube shaped calcareous sponges belonging to the family sycettidae.
9. small openings in the body of an animal or in organisms within the body.
10. The central cavity of a sponges body.
13. Having both male and female reproductive organs in the same individual, or being hermaphroditic.
14. A large opening that forms the excretory tract of the sponge.
17. A small needle like structure that acts as a skeletal element in some invertebrates such as sponges and corals.
18. Free swimming larval form of cnidarians.
19. Anything associated with or occurring on the bottom of a body of water.
21. A form of asexual reproduction where a new organism develops from a small outgrowth or bud that grows on the body of the parent organism.

2. Organisms that drift in water (or air) but are unable to actively propel themselves against currents or wind.
3. An animal or plant that has both male and female reproductive organs, structures, or tissue.
4. Having distinct individuals that are either male or female, and each individually produces either male or female gametes.
5. The immature stage of an animal that occurs after birth or hatching before the animal reaches adulthood.
7. A sponge or sponge larva with a simple canal system.
8. Attached directly by its base without a stalk or peduncle.
11. A type of sponge with a complex structure includes a thick body wall and a highly branched canal system.
12. Feeding by filtering out plankton or nutrients suspended in the water.
15. The free swimming, bell shaped body form of a cnidarian.
16. A flexible, protein based material that makes up the body wall of sponges and gives them their flexibility.
20. Having the ability or property of contracting or shrinking.