?
Are Mollusks invertebrates or vertebrates?
They are invertebrates
what does the fin do?
Help change direction while swimming
What do the Suction Cups do?
Help the squid hold onto food
Found on arms and tentacles
What is the Hydrozoa?
This class includes fire coral, hydroids, and siphonophores (portuguese man of
war)
This is the most diverse group of cnidarians
They form large colonies
Mostly polyps, some medusas
what is the Chele?
it is the claw mouth
What is a Cephalo?
It is the head.
What does the mantle do?
The main part of the body that holds the organs that are inside
They are Invertebrates.
What does the word Arthro mean?
It means jointed.
What is the Ceras?
It is the Horn.
What is a Pod?
it is a foot
What do the Chromatophores do?
Spots on the body that change size and color
Used for camouflage and communication
What is the Anthozoa?
This includes sea anemone, coral, and sea pen
They appear to look like plants however they are really animals
Only polyp phase
Coral
What are the crabs blood color?
It is blue
What is the Cephalothorax?
it is the Head and thorax combined.
what is the mantle?
It is the body.
What does the eye do?
It helps them see and fun fact they can see just as well as humans.
What is the Scyphozoa?
Scyphozoa:
○ This class consists of true sea jellies
○ They can be large and range in size
Many travel in groups called shoals
They alternate between the polyp and medusa phases
Mostly in medusa phase
They swim by relaxing and contracting muscle fibers
Why is the crabs blood color blue?
Because instead of iron there is copper.
What kind of symmetry do Arthropods have?
They have bilateral symmetry.
What is the Radula?
It is the Tounge.
How many arms do they have?
They have 8 tentacles
What is the Cubozoa?
They are different than true jellyfish because:
Their cube-like shape
They have 4 evenly spaced clusters of tentacles
Mostly Medusas
What is the Telson?
It is the like appendage.
What does Crustacea mean?
it means Crust or Shell.