Term
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Definition
| Provides muscular movements for swimming and burrowing |
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Term
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Definition
| Skeletal support for anchoring myomeres to provide lateral body movements |
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Term
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Definition
| Handles majority of nervous coordination w/o intervention of the brain |
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Term
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Definition
| Anterior projection shielding entrance to the mouth dorsally |
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Term
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Definition
Lined w/ cilia
Produces a current of water that brings food into mouth |
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Term
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Definition
| Acts as a strainer to exclude larger particles from the mouth |
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Term
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Definition
Has thin mucous coating that traps food particles
Respiration |
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Term
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Definition
| Allow for outflow of water from pharynx between gill bars for food capture and respiration |
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Term
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Definition
| Transverse partition encircling mouth |
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Term
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Definition
Receives incoming water from mouth
Entraps food in film of mucus
Some gas exchange |
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Term
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Definition
Lateral outpocket of intestine
Intracellular digestion
Lipid and glycogen storage |
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Term
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Definition
| Site of enzymatic digestion of larger food particles |
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Term
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Definition
| Ventral body chamber that receives water passed from pharynx through gill slits |
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Term
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Definition
| Discharges water from atrium |
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Term
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Definition
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Term
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Definition
Paired blood vessels that join behind the pharynx to form the median dorsal aorta
Carries nutrient rich blood posteriorly to the body tissues and intestine |
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Term
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Definition
| Ciliated ducts that transport metabolic wastes from the dorsal portions of the coelom to the atrium |
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Term
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Definition
| Produce sperm for external fertilization |
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Term
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Definition
| Produce eggs for external fertilization |
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Term
Phylum
Subphylum
Class
Genus
Common name |
|
Definition
Chordata
Cephalochordata
Cephalochordata
Branchiostoma
Lancelet or amphioxus |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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