Cnidaria Classifications
Cnidaria
Mixture of Both
Porifera
Porifera Classifications
100
Cnidaria are classified into how many groups based on structure?
Four
100
What does Medusa mean?
Jellyfish form
100
Name one fact about Cnidaria you learned.
Answers will vary
100
What type of sea animals eat Porifera?
Turtles
100
What is another name for Hexactinellida?
Glass Sponges
200
Scyphozoa are also known as what?
“Cup animals” or the true jellyfish.
200
The following is a description of what?... consists of a gas-filled bladder like float that works like a sail almost. A translucent structure tinted pink, blue, or violet. Beneath the float are clusters of polyps, from which hang tentacles of up to 165 feet
Portuguese Man-of-War
200
Name one fact about Porifera you learned.
Answers will vary.
200
What do Porifera look like?
Cactuses, fungus, blobs, and mossy mats
200
Give an example of a Demospongia sponge.
Carnivorous sponge.
300
Anthozoa are also known as what?
“Flower animals.” or sea anenomes
300
The following explains what kind of Cnidarian?.. The largest of all jellyfish species, in Arctic waters its bell can reach 8 feet with tentacles trailing up to 100 feet long. The younger ones are pink turning red as they mature into reddish brown or purple adults.
Lion's Mane Jellyfish
300
What kind of symmetry do Cnidarians have?
Radial Symmetry
300
Carnivorous sponges have been some what recently discovered where?
Arctic Ocean
300
How many different body styles of Calcareous Sponges are there?
Three
400
Cubozoa are also known as what?
Box Jellyfish
400
The following explains what kind of Cnidarian?.. are known for the extremely potent venom produced by some species: Chironex fleckeri, Caruki barnesi and Malo kingi are among the most venomous creatures in the world.
Box Jellyfish
400
If a sponge is put through a sieve and its cells are separated what can it do?
Reassemble itself
400
How do Porifera fit into their environment?
By being a part of the food chain.
400
How do sponges eat?
Filter through water
500
Cubozoa are also known as what?
True corals, anemones, and sea pens
500
The following describes what kinds of Cnidarians?.. contains the sea anemones and corals. Unlike other cnidarians, these do not have a medusa stage in their development. Instead, they release sperm and eggs that form a planula, which attaches to some substrate on which the cnidarian grows
Anthozoa
500
A sponge must pump how much water to obtain how much food?
A ton of water for one ounce of food.
500
How much have sponges changed over the last 500 or more million years?
Not Much
500
How many species of Porifera are there?
10,000 species, about 150 are freshwater and the rest are marine.
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