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Chapter 12 Key Terms
The keyterms from chapter 12.
15
Science
7th Grade
03/28/2011

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Term
anus
Definition
opening at the end of the digestive tract through which waste leaves the body
Term
bilateral symmetry
Definition
body parts arranged in a similar way on both sides of the body, with each half being nearly a mirror image
Term
carnivore
Definition
animals that only eat meat
Term
free-living organism
Definition
organism that does not depend on another organism for food or a place to live
Term
herbivore
Definition
animals that only eat plants
Term
hermaphrodite
Definition
animal that produces both sperm and egg in the same body
Term
invertebrate
Definition
animal without a backbone
Term
medusa
Definition
cndiarian body type that is bell-shaped and free-swimming
Term
omnivore
Definition
animal that eats both plants and meat
Term
polyp
Definition
cndiarian body type that is vase shaped and is usually sessile
Term
radial symmetry
Definition
body parts arranged in a circle around a central point
Term
sessile
Definition
describes an organism that remains attached to one place during most of its lifetime
Term
stinging cell
Definition
capsule with coiled triggerlike structures that help cnidarians capture food
Term
tentacle
Definition
arm-like structure that have stinging cells and surround the mouths of most cndiarians
Term
vertebrate
Definition
animal with a backbone
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