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38 Cards in this Set
- Front
- Back
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Vas |
vessel |
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Ecto |
outer |
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Trophos |
feeder |
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Nema, nemata |
thread |
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meso |
middle |
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colla |
glue |
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homeo |
same |
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cyst |
sac |
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endo |
inner |
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hetero |
different |
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glia |
glue |
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Heterotroph |
any organism that must eat other organisms to obtain energy |
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Collagen |
a three stranded protein unique to animals, found primarily in connective tissue in the form of rope like fibers that give strength while remaining flexible |
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Homeotic |
a class of genes found in all animals that control early development of head to tail orientation
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Homeobox |
the specific set of 180 nucleotides that are the master gene manipulators of all animals |
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Vertebrate |
an animal with an internal segmented backbone |
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Invertebrae |
animals without an internal segmented backbone |
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Phylum |
animals that are grouped together by similarities of structure and function (approximately 35) |
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Bilateral Symmetry |
an animal body that is arranged where you may divide the body along one plane and have two mirror images |
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Radial Symmetry |
an animal body that is arranged into a circle around a central axis |
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Protostomes |
when the animal's digestive tract develops the mouth opening first and the anus opening second |
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Deuterostomes |
When the animal's digestive tract develops the anus opening first and the mouth opening second |
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Sessile |
unable to move from where they are attatched |
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Filter Feeder |
eat by straining particles from the water |
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Polyps |
body shape where you have a cylindrical tube with mouth and tentacles facing upward |
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Medusas |
body shape where you have an umbrella shaped with their mouth and tentacles on the underside |
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Mesoglea |
Cnidarian body that has two tissue layers separated by a non-cellular jelly like material |
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Nematocyst |
A capsule containing a thin, coiled, harpoon shaped tubule with a poisonous barb at one end |
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Gastrovascular Cavity |
a sac like digestive space |
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Complete Digestive Tract |
any digestive tract that has both a mouth and an anus |
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Radula |
a file like feeding organ in mollusks |
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Hemocoel |
a series of interconnected spaces between tissues and organs through which blood flows freely, unconfined by veins or arteries, occurring in several invertebrate groups, especially mollusks and arthropods |
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Segmentation |
the repeated sections of an annelid's long body that contain a complex set of body structures |
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Coelom |
a fluid filled space that is completely surrounded by muscle, which acts as a hydrostatic skeleton |
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Cuticle |
a tough exoskeleton found in Ecdysozoans (round worms) |
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Pseudocoelom |
a fluid filled space that is incompletely surrounded by muscle
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Ossicles |
the internal skeleton made up of many tine interlocking calcium based plates found in Echinoderms |
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Water Vascular System |
a series of water filled radial canals that extend along each arm of Echinoderms and originate from the ring canal surrounding the central disk |
