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Introduction to the Animal Kingdom

Across
Form of nutrition found in all animals
Collar cells in a sponge have this structure which helps to move water through the sponge body
Made of silica, calcium carbonate, or spongin; provides structural support for sponges
Back or upper surface
Sponges, cnidarians, worms, mollusks, and insects are all this type of animal; about 95% of all animals
Phylum that includes jellyfish, hydra, corals, and sea anemones
A concentration of sense organs and nerve cells at the anterior end of the body; has a "head" end
Large opening at the top of a sponge that allows water to flow out
Tail or hind end
Habitat that sponges and cnidarians live in
Types of symmetry found in worms, humans, and insects
Type of cell that is found in animals; has a nucleus
Cnidarian form that is bell-shaped, able to swim, and has the tentacles and mouth pointed down
Down
Cnidarian form with a tube-like body, usually sessile, mouth and tentacles pointing up
Phylum that sponges belong to
Organisms that are not able to move from place to place, but are attached to one spot
Sponges obtain food this way (2 words)
Head or front end
Cells in jellyfish that sense gravity, determining up and down
Poison filled dart used by cnidarians to paralyze or kill prey
Respiration and excretion in sponges and cnidarians are both accomplished by this process
Unlike other kingdoms, animal cells do not have this structure (2 words)
An asexual form of reproduction found in hydras
Belly or lower surface
Lack of symmetry
Allows cnidarians to respond to environmental stimuli (2 words)
Type of symmetry found in cnidarians such as hydra