Cnidarian Classes
Species
Ctenophora Characteristics
Cnidaria Characteristics
Cnidarian Reproduction
100
The class with nematocysts on in the epidermis.
What is Hydrozoa?
100
Class Hydrozoa, symbiotic relationship with algae.
What is hydra?
100
The species has two tissue layers.
What is diploblastic?
100
An arrangement of body parts such that any plane passing the central axis divides the animal into mirror images.
What is radial symmetry?
100
When a cnidarian life cycle involves both Polyp and Medusa stages.
What is alternation of generations?
200
The class with cnidocytes in the gastrodermis and no medusa.
What is Anthozoa?
200
Class Scyphozoa, most familiar jellyfish.
What is true jellyfish?
200
Some structures are paired around the radial symmetry.
What is bi-radial symmetry?
200
When a species is found, or produced in, the ocean.
What is Marine?
200
A diploid cell resulting from two haploid gametes.
What is a zygote?
300
The class that has 8 tentacles around a goblet shaped mouth.
What is Staurozoa?
300
Class Cubozoa, Box shaped.
What is Box Jelly?
300
Bands of cilia between ends of comb jellies that help with movement.
What are comb rows?
300
A vase shaped body form with an opening facing upward.
What is a Polyp?
300
A sphere of cells formed during embryonic development.
What is a blastula?
400
The class with cnidocytes in the gastrodermis and epidermis. They are known as true jellies.
What is Scyphozoa?
400
Class anthozoa, sessile polyp, tentacles facing upwards.
What is sea anemone?
400
An area for digestion, exchange of gases, and discharge of gametes.
What is a gastrovascular cavity?
400
A bell shaped body form with the opening facing downward.
What is a Medusa?
400
A form of asexual reproduction where an organism develops from an outgrowth in cell division.
What is budding?
500
The class where the tentacles hang out from the corners. It used to be part of scyphozoa.
What is Cubozoa?
500
Class Hydrozoa, potentially deadly jellyfish, colorful, venomous.
What is Portuguese man-o-war?
500
Interconnected cells that conduct impulses so that they can respond to stimuli.
What is a nerve net?
500
Having male and female organs on different organisms of the same species.
What is dioecious?
500
A ciliated, free swimming larva.
What is a Planula?
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