Phylum or Class
This class includes limpets, conches and whelks. They display a stomach-foot body shape.
What is the Gastropoda class?
What us Calcium Carbonate?
All organisms in this phylum chordata have at some point in their development a flexible supportive rod running the length of their bodies.
What is a notochord
A sheet of tissue surrounding the organs of a mollusk, producing the mollusks shell and aiding and respiration .
Lancelets have an arterial cavity that collect the water that it takes in for filtering and sends it out of the body through this.
What is the artiopore?
This class contains clams and scallops. It is named for the 2 hinged shells or valves on their bodies.
What is Bivalvia?
A long bundle of nerves cells located along the dorsal part of an organisms body.
What is the dorsal nerve cord?
These are often mistaken for sponges due to their rounded appearance.
What are sea squirts?
A channel along the body of echinoderms through which the tube feet protrude.
What is the Ambulacral groove?
Most crustaceans do not broadcast they're these into the water but rather the males will transfer sperm directly to the females who store it to later fertilize many hatches of eggs.
What are gametes?
This class includes squids and octopi. It is named for those organisms displaying a head-foot body shape.
What is Class Cephalopoda?
In which blood flows out of the blood vessels and into body cavities, where it comes in direct contact with cells
What is open circulatory system?
Shrimp, lobsters and crabs belong to the crustacean order meaning 10 legs.
What is decapoda?
And organ covered with hundreds of small teeth, used for scraping food into the mouth of mollusks.
What is the Radula
These do not have a notocord in their adult form but have a leather like tunic covering for support.
What are Tunicates?
Most members of this phylum have a bilaterally symmetric, soft body protected by a shell made of calcium carbonate.
What is phylum Mollusca?
Female crabs have a wider abdomen than males in order to do this.
What is carry eggs?
An armored shield that covers the anterior portion of crustaceans.
What is Carapace?
A net work of water-filled canals in ectoderm's used for locomotion and feeding.
What is the water vascular system?
Creatures in the phylum Echinodermata include see stars see urchins in sand dollars they are this kind of symmetric yet their larval forms are this kind symmetric
What are radially and bilaterally
Shrimp, lobsters and crabs belong to the crustacean order meaning 10 legs.
What is decapoda?
The anterior part of an arthropod body, consisting of a head and other body segments fused together
What is cephalothorax?
A system in which the blood always remains in the vessels.
What is closed circulatory system?
A derivative of carbohydrates that provides both flexibility and support
What is Chitin?
The process of shedding an exoskeleton and replacing it with a new one.
What is molting ?