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BIOL212

Majors animal: Anatomy of Obelia (matching)

StructureFunction
Hydranch (feeding polyp) Polyp specialized for food acquisition
Tentacles Defense and prey capture
Hypostome Elevated mound of tissue that expands or contracts to regulate size of mouth opening
Gonangium (reproductive polyp) Polyp specialized for reproduction
Madusa buds Product of asexual reproduction; medusae will be released from the gonangium when mature and will produce sperm or ova, which fuse with the respective gamete forming a zygote that will develop into a new polyp
Coenosarc Common chamber within which extracellular digestion occurs; nutrients are distributed throughout organism
Perisarc Translucent outer covering of organism; serves protective function
Manubrium Stalk of fleshy tissue that supports mouth
Mouth Ingestion of food and egestion of indigestible particles
Gonads Organs for sexual reproduction; either testes or ovaries
Created by: scandalouscanine