Animals with 5 arms
Animals with no arms
General
Body structure
Umbrellas in the sea
100
The arms of a jellyfish.
What are tentacles?
200
Poison that is shot out by jellyfish nematocysts.
What is venom?
300
The part of a jellyfish stinger that tells the nematocyst to shoot out.
What is a trigger?
400
If hydrostatic skeletons didn't have this, they wouldn't be able to have structure.
What is water?
500
A category of animals that includes starfish and sand dollars.
What is an echinoderm?
500
A category of worms that have bilateral symmetry.
What is flatworm?
500
This is the study of animals.
What is zoology?
500
95% of animals are this kind of animal that lacks a backbone.
What is an invertebrate?
500
A category of animal that includes hydras and jellyfish.
What is a cnidarian?
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