squid lab

“freckles” allow the squid to chabge colors

help squid change direction when swimming

main part of the sauids body-all organs are inside

all that is left of the shell the squids ancestors once had

on the side, giving them more peripheral vision, which is great for hunting

longer than the other 8 arms and have suction cups only at the tips. they are used to the shorter arms and then to the mouth

arms have suctions all the way down. they help the squid to hold onto food

attaches to the esophagus, which is attached to the stomach.

hard and is a dark brownish color

on the opening of the mantle

water is pulled into the mantle. mantle is squeezed forcing water out through the siphon. this type of movement is called jet propulsion.

are feathery structures that absorb oxygen from the water. increases the amount of the surface area potential for gas exchange.

lies on top of the liver. squid released ink from gland in times of danger, which is then pushed through the siphon.

squid have 3 hearts-2 branchial and one systemic. the hearts are located at the bottom of the gills. the heart is for blood circulation

this is the reproductive organ. in males, it is s white-ish mound (sperm sac). in fenaled it is clear to yellow/orange mass of eggs.

anemilia

mollusca

cephalapod

soft body and head foot

by use of camoflauge and squirting ink

they change size and color

secondary anf tertiary consumers

transport carbon and nutrients between marine ecosystems

they have s siphon that provides jet propulsion and fins