| Cnidarians | More About Cnidarians | Flatworms | Roundworms | Miscellaneous |
|---|---|---|---|---|
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What are jellyfish, sea anemones, and corals?
The three main typo of animals classified as Cnidarians.
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What is a medusa?
Body type of a jelly-fish.
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What is Platyhelminthes?
Phylum name of flatworms.
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What is Nematoda?
Name of the phylum to which roundworms belong.
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What is Platyhelminthes (flatworms)?
The phylum the planarian belongs to.
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What are tentacles?
All Cnidarians have stinging cells located on these structures.
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What is a polyp?
Body type of a sea anemone.
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What is a parasite?
An organism that obtains its food from another organism and is harmful to its host.
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What is they have two body openings - one at each end of the body?
Roundworms are the simplest animals that have a complete digestive system. The meaning of a complete digestive system.
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What is Nematoda?
The phylum heartworms belong to.
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What is for defense and to kill or stun their prey?
The purpose of the stinging cells.
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What is both sexual and asexual?
Type of reproduction in Cnidarians.
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What is a tapeworm?
The type of flatworm that lives in the digestive system of its host.
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What is to digest food more efficiently - to absorb more of the nutrients from the food?
The advantage of a complete digestive system.
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What is Platyhelminthes?
The simplest of the three phyla of worms.
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What is a polyp?
One of the two body types that Cnidarians have that is shaped something like a vase with the mouth opening at the top.
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What is a coral reef?
The habitat that is home to more species of fishes and invertebrates than any other environment on Earth.
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What is by diffusion? (They are flat to increase the surface area to absorb the oxygen.)
The method that flatworms use to get oxygen (because they have no respiratory system).
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What is the anus?
The body opening in animals where waste products exit the body.
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What is Annelida (earthworms)?
The most complex of the three phyla of worms?
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What is a medusa?
One of the two body types that Cnidarians have that is bowl-shaped with the opening on the bottom.
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What is one?
The number of body openings that Cnidarians have.
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What is an incomplete digestive system?
Flatworms have only one body opening - but they do have a simple digestive system. The name of a digestive system with only one body opening.
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What is true?
T or F Many scientists believe that roundworms are the most abundant animal on earth.
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What is fragmentation?
When a planarian is cut into pieces, each piece can grow into a new organism. The type of asexual reproduction this exemplifies.
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