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Phylum Mollusca
Diversity & Adaptations; Squid Dissection Lab
18
Biology
Undergraduate 2
03/08/2011

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Term
bilateral symmetry
Definition
Term
anterior end
Definition
Term
posterior end
Definition
Term
dorsal surface
Definition
Term
ventral surface
Definition
Term
Squid Kingdom; Phylum; Class
Definition
Term
fin
Definition
helps the squid change direction when swimming
Term
chromatophores
Definition
allow squid to change colours
Term
eye
Definition
highly developed eye sight so they can see things
Term
arms; tentacles
Definition
lined w/ suction cups to help squid hold food; suction cups at tips, longer tha arms, used to pass food to shorter arms, then to mouth
Term
suction cups
Definition
hold food to pass to arms and mouth
Term
pen
Definition
what remains of squid's ancestor's shells
Term
mantle
Definition
houses squid's internal organs
Term
gonad
Definition
reproductive organ
Term
heart
Definition
3 hearts; 2 branchial, and 1 systemic
Term
gills
Definition
absorb oxygen and water
Term
inc sac
Definition
used for squid to release ink in times of danger
Term
siphon
Definition
jet propulsion; water is forced through it when mantle is squeezed
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