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Sponges, Cnidarians, And Worms Crossword Puzzle

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Sponges, Cnidarians, and Worms

                      9                   10                
                12             13   14                        
                      16                             17      
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5 line symmetry; the quality of being divisible into halves that are mirror images
6 the process by which a new organism develops from the joining of two sex cells
7 an animal that has no backbone
9 an invertebrate animal that uses stinging cells to capture food and defend itself
11 an organism that does not live in or on other organisms
12 a cnidarian body plant characterized by a bowl shape and adapted for a freed-swimming life
16 the process by which a single organism produces a new organism identical to itself
18 an organism that provides food to a parasite that lives on or inside it
19 the quality of having many lines of symmetry that all pass through a central point
20 a group of many individual animals
21 an organism that feeds on dead or decaying material
22 an organism that lives inside or on another organism and takes food from the organism in or on which it lives
24 the joining of an egg cell and a sperm cell
1 an animal that has a backbone
2 a characteristic that helps an organism survive or reproduce in its environment
3 one of about 35 major groups into which biologists classify members of the animal kingdom
4 a circulatory system in which blood moves only within a connected network of tubes called blood vesseld
8 a structure that is composed of different kinds of tissue
10 the immature form of an animal that looks very different from the adult
13 the opening at the end of an organism's digestive system through which waste exits
14 the basic unit of structure and function in a living thing
15 a diverse environment named for the coral animals that make up its stony structure
17 a group of similar cells that perform a specific function
23 a cnidarian body plan characterized by a vase-like shape and usually attached to an underwater surface
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