Classes
This class has an acellular mesoglea, only has epidermal gametes, and only has nematocysts in the epidermis. Some animals in this class are the hydra and the obelia.
What is Hydrazoa?
This body form is sessile. Animals with this body form have upward facing tentacles and are asexual.
What is Polyp?
This is the type of symmetry all Cnidarians have. With this symmetry, any plane passing through the central axis has equal halves.
What is Radial Symmetry?
This class is medusa prominent, gastrodermal gametes, and cnidocytes are in the gastrodermis and epidermis. Some animals in this class are true jellyfish and the stinging nettle.
What is Scyphozoa?
Animals with this body form are free swimming and have downward facing tentacles.
What is Medusa?
This is the type of water most Cnidarians live in.
What is Marine?
This class is lacking medusa, is solitary, and gastrodermal gametes. Some animals in this class are corals and anemones.
What is Anthozoa?
This is the term to describe animals that have male and female body forms.
What is Dioecious?
This term is used for animals that have two tissue layers.
What is Diploblastic?
What is Cubozoa?
This is the area that is responsible for the digestion, exchange of gases, and the waste of animals.
What is the Gastrovascular Cavity?
This is the term for cells that produce Cnidae.
What are Cnidocytes?
This class used to be in Scyphozoa. Animals in this class are not Medusa. These animals can only reproduce sexually and they have 8 tentacles around their mouth. An animal in this class is the stalked jellyfish.
What is Staurozoa?
This is a water-filled cavity that helps with support.
What is the Hydrostatic Skeleton?
These are used to capture prey.
What are the Nematocysts?