are mollusks vertebrates
No, they are invertebrates
mantle
main part of body
Suction Cups
Help the squid hold onto food
Brain
helps them think
(squid have a highly developed brain for an invertebrate)
are mollusks land or marine animal
both
do mullusks have shells
Yes
fin
helps change direction
Tentacles
Used to pass food to the arms and then inserts into mouth
Heart
Pumps blood to the rest of the body
what is an vertebrate
back bone
do mollusks have organs
Yes
purpose of the eye
helps them see
(as well as us)
Pen
a squid’s ancestors had at one point in time
Beak
Inside the beak is the mouth with the radula- the tongue
how many classes are there in phylum Mollusca
3
Cephalo means what
head
Chromatophores
Spots on the body that change size and color
Gills
Allow the squid to breathe oxygen from the water
Ink Sac
Stores ink which is used for defense, in times of danger
name all three classes
1. cephalopod 2. Bivalve 3. Gastropod.
what does the radula mean and what does it have on it and what does it do
tongue, teeth, and crush down food
Arm
8 short arms covered in suction cups
Gonad
Male = white and Female = clear
Siphon
Used for propulsion so the squid can propel forward
name two animals from each class
Octopus and Squid; Muscles and Clams; conch and sea snails.