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23 Cards in this Set
- Front
- Back
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Besides bone, list three things of which an animal's skeleton could be composed.
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Glass, Protein, Water
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To what characteristic does the name of phylum that includes sponges refer?
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Pores
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What do sponges eat?
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Microscopic food particles that they filter from the water.
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What is the supporting material in a jellyfish's skeleton?
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A jellylike mass that fills the space between two tissue layers.
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Where do jellyfish digest their prey?
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In their gastorovascular cavities.
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The soft body of a coral is called a _________.
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Polyp
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What type of symmetry does a planarian have?
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Bilateral
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How many longitudinal nerves does a planarian have?
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2
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Where is the mouth of a planarian.
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On its underside near the middle of its body
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Name the phylum that includes roundworms.
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nematoda
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Where do adult Ascaris normally live?
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In the intestines of animals such as cats dogs
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Are roundworms animal parasites only?
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No
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Name three annelids besides earthworms.
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Leeches, Tubeworms, Clam worms
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Mechanical digestion occurs in the earthworm's _______.
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Gizzard
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How does an earthworm breath?
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Oxygen and carbon dioxide pass through skin
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What are key characteristic of sponges?
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Pores
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Of what two materials may a sponge skeleton be composed?
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Spongin and spicules
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Name the structure that jellyfish use for stinging.
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Nematocysts
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What is the name given to the simple brain of an invertebrate such as a planarian.
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Ganglion
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What material or substance provides support for an animal that has a hydrostatic skeleton?
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Water
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When an earthworm moves what structures allow it to hold on to the soil?
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Bristles
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What do you you call the non-digested soil and food that an earthworm gives off as waste?
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Castings
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What does the term closed circulatory system mean?
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Blood is contained within blood vessels throughout the entire body.
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