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13 Cards in this Set
- Front
- Back
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Gemmule |
A tough coated dormant cluster of embryonic cells produced by a freshwater sponge for development in more favorable conditions |
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Medusa |
A free swimming sexual form such as jelly fish. An umbrella shaped body with stinging tentacles around the edge. |
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Polyp |
Solitary sedentary form such as sea anemone. Having a columnar body. |
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Planula |
A free swimming coelenterate larva with a flattened, ciliated, solid body |
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Sessile |
Immobile, fixed in one place |
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Scyphistoma |
The fixed polpylike stage in the life cycle of a jelly fish - reproduces asexually |
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Strobila |
A part or structure that buds to form a series of segments as the main body part |
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Ephyra |
A larval jelly fish - after it has separated from scyphistoma |
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Vitellaria |
A sphincter muscle that controls the release of eggs on sides of the body |
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Proglottid |
Each segment in the strobila of a tapeworm, containing a complete sexually mature reproductive system |
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Eversibile |
Capable of being inverted - turned inside out |
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Spermatophore |
A protein capsule containing a mass of spermatozoa transferred during mating in various insects, arthropods, cephalopod, mollusks |
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Pentamerous |
Having parts arranged in groups of five |
