Mollusca
Are mollusks Vertebrates or invertebrates?
invertebrates
What's in the class of Cubozoa?
Box jelly fish
What's the relationship of Mutualism?
When organisms have relationship with one another and they both benefit
Arthro=?
Pod=?
Arthro= Jointed
Pod= Foot/appendage
What is the Gonad and what does it do?
It's the reproductive organs that help detect if the squid is female or male. If the Gonad is clear it's a female if it's white it's a male
Cephalo=?
Pod=?
Cephalo = head
Pod= foot
whats in the class of scyphozoa?
True Sea jellies
What;s the relationship of commensalism?
When one organism benefits from the other but the other one isn't harmed
what is an appendage?
A structure that some out of an animal's body
What does the beak do?
It helps crush food and it resembles a birds beak. Inside the beak is the mouth with the Radula(tounge)
What are examples of Cephlopods?
octopus, squid, cuttlefish, nautilus
What are the 2 body forms? Explain them.
Polyp-Tubular and sessile
Medusa- Bell shaped and moble
What's the relationship of parasitism?
When one organism is benefiting while the other is being harmed
What is the Chele used for?
tearing and grinding
What's the ink sack?
Stores ink which is used for defense in times of danger
What is the Radula?
contains teeth-like structures and it's used for scraping food
What's in the class of Anthozoa
Coral, Sea anemone, and sea pen
What is symbiosis?
When 2 organisms have a relationship with one another
What is the telson on the horseshoe crab used for?
To steer, cling in the sand, flip itself over if it turns upside down
What's the siphon?
It blows out water used for propulsion so the squid can propel forward and it releases the ink
What is the mantle of a mollusk?
The main part of the body that contains the organs, It's a thin layer of skin, and in some molluscs it can produce a hard shell
Whats in the class of Hydrozoa?
Fire coral, Hydriods and portuguese man of war
what's an example?
Pistol shrimp and gobies-
they both benefit because the shrimp digs a home for the goby while the goby is protection for the shrimp
What is unique about the horseshoe crab's blood?
THere is copper in it that turns it blue and they use it to check for toxin
What are the Chromatophores?
spots on the body that change size and color that are used for camouflage & communication