Term
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Definition
| Border separating head-foot from visceral mass |
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Term
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Definition
Image forming
Detects visual stimuli |
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Term
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Definition
Water is expelled from mantle cavity at high velocity to propel squid
Locomotion |
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Term
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Definition
| Where water is collected to be used for propulsion |
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Term
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Definition
8 shorter appendages
Suckers on entire length
Manipulates captured prey
Rudder for navigation |
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Term
EXTERNAL ANATOMY
Tentacles |
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Definition
2 longer appendages
Suckers on distal ends
Capturing prey |
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Term
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Definition
| Leisurely swimming and maneuvering during locomotion |
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Term
EXTERNAL ANATOMY
Chromatophore |
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Definition
| Epidermal cells that contract and expand to produce assortment of skin colors and patterns |
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Term
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Definition
Conveyor belt of tiny teeth
Rips apart food |
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Term
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Definition
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Term
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Definition
| Connecting mouth to stomach |
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Term
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Definition
| Digestive gland, secretes enzymes into stomach to assist in food breakdown |
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Term
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Definition
| Releases secretions into stomach to facilitate enzymatic digestion |
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Term
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Definition
| Digestive chamber prominent along dorsal end of body |
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Term
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Definition
| Portion of digestive tract leading to anus |
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Term
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Definition
| Opens into rectum, secretes dark brown or black fluid when alarmed |
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Term
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Definition
| Terminal portion of digestive tract located near siphon |
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Term
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Definition
| Produces sperm, dorsal end of body |
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Term
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Definition
| Open ended chamber receives stored sperm |
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Term
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Definition
| Coiled tubes that package sperm cells into spermatophore packets |
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Term
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Definition
Gather spermatophores and releases them outside of body
Transferred by males' hectocotylus to females |
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Term
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Definition
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Term
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Definition
| Open ended chamber that receives eggs from ovary |
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Term
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Definition
| Produce secretions that form encasement around string of eggs to protect them |
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Term
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Definition
| Control the retraction of siphon and head |
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Term
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Definition
Excretory organ
Filter nitrogenous wastes from hemolymph |
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Term
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Definition
Receives oxygenated blood from gills
Pumps blood throughout body
Large, muscle ventricle |
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Term
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Definition
Receives deoxygenated blood from all parts of body
Pumps to gills
Small, muscular chambers |
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