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General Info
Importance/Harmfulness
Fun Facts
Anthozoa
Cubozoa
100
What type of symmetry do cnidarians have?
Radial Symmetry
100
What is an importance that cnidarians have?
habitat for other animals, human consumption, building material, jewelry
100
How long can Praya Dubia be?
Up to 40 meters long
100
What does Anthozoa mean?
Flower animals
100
What are cubozoans?
Box jellyfish
200
What are the 2 body types of cnidarians?
polyp and medusa
200
What are used in blocks or slaked to create cement?
coral skeletons
200
What is the best treatment for a jellyfish sting?
Vinegar
200
How do they catch food?
by nematocysts
200
How many known species are there?
about 20
300
What do cnidarians use their tentacles for?
Food, locomotion, Defense
300
Which are the only cnidarians fatal to humans?
Cubomedusae
300
What does Cnidos Mean?
Stinging nettle
300
Name two things that are anthozoans?
Coral, sea pens, sea fans, and sea anemones
300
Where are they mostly found?
In warm waters
400
Name 2 of the 4 different classes
Hydrozoa, Scyphozoan, Anthozoa, Cubozoa
400
What is the genus name of the sea anemones that can impart a painful sting?
Actinodendron
400
What is the fastest reaction noted in the animal kingdom?
Firing of nematocysts barbs
400
Explain the structure of a anthozoan.
has a substrate with a hole at the top and arms extend out around the hole
400
Do they have a medusa stage?
Yes
500
What is another name for phylum cnidarian?
Coelentereta
500
Extracts of which class have heart stimulant and anti-inflammatory properties?
Anthozoans
500
what is the gelatinous substance found between the two layers that make up cnidarians?
Mesoglea
500
Do anthozoans have a medusa stage?
No
500
Why are cubozoans strong swimmers?
Because they have a hole by the bell which controls how much water can escape which allows them to increase their thrust