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madeline freeman Q4

mmf Q4 animals- cnidarians

QuestionAnswer
what are examples of cnidarians? jellyfish, coral, hydras, and anemones
what kind of feeders are they? heterotrophs
how many openings do they have? one, food enters where waste leaves
what type of digestive system called? 2-way system
what do they have around their mouthes? tentacles
what are those appendages used for? to pull in water and capture food
do they have a nerve net, and if so what is it for? yes it is simple, it helps with senses and movement
what does sessile mean? not moving
what cnidarians are in the sessile group? corals, anemones, and hydras/sea fans
what kind of symmetry do they have? radial symmetry
what are the two forms of cnidarians? polyp and medusa
what's the medusa form? it's moving, more animal-like, and like an up-side-down bowl shape
what is the polyp form? it doesn't move, more animal-like, and is more vase shape
what do they have for defense/offense? they have nematocysts that shock predators and prey, they can be deadly and are painful
vertebrates or invertebrates? invertebrates
how do they reproduce? sexually, and asexually by budding
Created by: madelinefreeman
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