Anatomy
The stinging cells of a Cnidarian.
What are Cnidocytes?
The hollow space in a stinging cell that holds the "stinger."
What is capsule?
This class contains corals and sea anemones.
What is Anthozoa?
T/F: Jelly fish are sexually dimorphic.
What is True?
In a medusoid the mouth points this direction.
What is down?
The tissues that produce sperm and egg cells.
What are gonads?
The organelle of a stinging cell that is fired out.
What is a nematocyst?
This class includes "true" jellyfish.
What is scyphozoa?
The larval form of a jellyfish created by sexual reproduction.
What is a planula?
In a polypoid the mouth points in this direction.
What is up?
Hollow space for gas and nutrient exchange.
What is gastrovascular cavity?
The part of the stinging cell that acts as a hair-like tripwire.
What is a trigger?
This class contains the most venomous cnidarians.
What is cubozoa?
The stack formed by polyps during asexual reproduction.
What is a strobila?
This body plan often form colonies.
What is polyp?
Appendages for moving food from tentacles to mouth.
What are oral arms?
The space between the inner and outer layers.
What is a mesoglea?
This class contains free-swimming organisms but are not true jellyfish.
What is hydrozoa?
What is ephyra.
This body plan is occupied primarily by Anthozoa.
What is polypoid?
Attachment site of polyps to the substrate.
What is the basal disk?
A muscular ring of tissue in the medusa form of some cnidarians that lines the inside edge of the bell.
What is a velum?
This class is the most recently discovered and includes stalked jellyfish.
What is Staurozoa?
The concept of switching methods of reproduction depending on form.
What is alternation of generations?
This body plan is occupied by scyphozoa.
What is medusoid?