Bio ch 33 terms 1

Bio ch 33 terms 1 - food dispose of wastes form skeletal...

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alimentary canal (al´-uh-men´-tuh-re) A digestive tract consisting of a tube running between a mouth and an anus; also called a complete digestive tract. Ammonite A member of a group of shelled cephalopods that were important marine predators for hundreds of millions of years until their extinction at the end of the Cretaceous period (65.5 mya). Amoebocyte (uh-me´-buh-sit´) An amoeba-like cell that moves by pseudopodia and is found in most animals. Depending on the species, it may digest and distribute
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Unformatted text preview: food, dispose of wastes, form skeletal fibers, fight infections, and change into other cell types. Arachnid A member of a major arthropod group, the cheliceriforms. Arachnids include spiders, scorpions, ticks, and mites. Arthropod A segmented ecdysozoan with a hard exoskeleton and jointed appendages. Familiar examples include insects, spiders, millipedes, and crabs. book lung An organ of gas exchange in spiders, consisting of stacked plates contained in an internal chamber....
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