Chapter 13 Word Scramble
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Term | Description |
vertebrate | an animal w/ a backbone |
invertebrate | in animal w/ out a backbone |
bilateral symmetry | describes animals w/ body parts arranged in the same way on both sides of their body |
radial symmetry | describes animals w/ body parts arranged in a circle around a central point; similar to a bicycle wheel |
sessile | describes organisms, such as trees, that remain attached to one place during their lifetime |
filter feeder | an organism that obtains food & oxygen by filtering it from the water from which it lives |
collar cell | in sponges, the lining cells that help move through the sponge by beating of the flagella |
regeneration | the ability of an organism to replace body parts; a type of asexual reproduction in which a whole new organism grows from just a part of the parent organism |
hermaphrodite | an animal that produces sperm and egg |
larva | a young organism that develops between egg and adult stages |
cnidarian | a phylum of hollow-bidied animals w/ stinging cells |
tentacles | the arm- like structures that surround the mouth of some organisms and help them to capture food |
polyp | a vase shaped cnidarian that is usually sessile |
medusa | a bell shaped cnidarian that is free swimming |
free living | describes an organism that finds its own food and place to live w/ out depending on another organism; the opposite of a parasite |
anus | an opening at the end of the digestive tract through which solid wastes leave the body |
cyst | a young, parasitic worm w/ a protective covering |
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