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10 Cards in this Set
- Front
- Back
Phylum
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Annelida
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Purpose of studying and dissecting an earthworm
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help understand the bodies of higher level organisms and to learn the structures and functions of segmented worms
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Hermaphrodite definition
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any animal that can produce both sperm and eggs
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What do earthworms eat?
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Soil
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How do earthworms help the environment
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fertilize the soil
create passage ways for plant roots improve the soil's ability to hold water |
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What is a coelom/purpose
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a fluid filled cavity between the intestines and the body wall
helps the worm breath |
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Dorsal vs. Ventral
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dorsal side is darker and rounder
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What are the setae used for
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anchor the worm into the soil while it moves forward
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Where is the clitellum located/purpose
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closer to the anterior end than the posterior end
creates a capsule for eggs and sperm |
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Anterior vs. Posterior
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anterior end is rounder than the posterior end
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