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Definition
| A taxonomic categotry or unit |
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Definition
| An organism that makes its own food |
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Definition
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Definition
| Outermost layer of the skin |
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Definition
| Symmetry across the middle of the left and right halfs of an organism |
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Definition
| Section/area of an organism |
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Definition
| Section/area of an organism |
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Definition
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Definition
| Further away from the point of attachment |
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Definition
| Closer to the point of attachment |
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Term
| Sagittal/midsagittal plane |
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Definition
| divides left/right halfs of the body |
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Term
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Definition
| a branching diagram depicting the successive points of species divergence from common ancestral lines without regard to the degree of deviation |
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Definition
| a branching diagram depicting the successive points of species divergence from common ancestral lines without regard to the degree of deviation |
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Term
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Definition
| Cells inside of a sponge that help to circulate food and other substances throughout the cell |
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Definition
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Term
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Definition
| Free swimming jellyfish or hydra |
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Term
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Definition
| Free swimming jellyfish or hydra |
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Term
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Definition
| formation of the head and tendency of oraganims to have important organs near the head |
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Term
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Definition
| an independent, animal-like organism that is produced by asexual means such as budding or fission |
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Definition
| A mass or concentration of nerve tissue outside the brain |
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Definition
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Definition
| region of a mullusca where the head is connected to the foot. |
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Definition
| frontal-most claw of a crayfish, used for feeding and capturing food |
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Definition
| muscle that pulls body parts toward the midline |
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Term
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Definition
| the subdivsion of an organism into more or less equivilent parts |
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Definition
| indentation on the carapace of a crayfish that extends across the midregion and seperates the head and thoracic regions |
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Definition
| four legs found after the claws of a crayfish, used for walking |
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Term
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Definition
| two part naming system using latin which gives animals a gneric and a specific term |
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Term
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Definition
| organisms that are decendents from a single taxon |
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Definition
| True body cavity, lined with peritonium to hold organs in place |
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Term
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Definition
| innermost layer of body tissue |
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Term
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Definition
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Term
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Definition
| region at or near the head |
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Term
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Definition
| a flat or level cut through an organism |
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Definition
| closer to the back or posterior plane |
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Definition
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Definition
| characteristics shared by multiple species |
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Definition
| small holes which allow water to flow into the sponge, (incurrent siphon) |
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Definition
| flagellated cells on the interior of the sponge which help move water and aid in filter feeding |
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Definition
| feeding preformed by straining matter and food particles from water |
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Term
| Alterations of generations |
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Definition
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Term
| Alterations of generations |
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Definition
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