Unformatted text preview: 1) Hermaphroditic adults release eggs into the bronchi. Often they are coughed up and swallowed, then excreted in the feces of the definitive host. 2) The eggs must reach water. 3) Inside the egg a larva called a miracidium develops. 4) Larva enters a suitable snail. Only certain species of aquatic snails are suitable. 5) Inside the snail, the miracidium develops into a second larval form, a redia. Rediae undergo asexual reproduction. Each redia then develops into a cercaria. 6) Cercariae bore out of the snail and penetrate into a crayfish. 7) Cercariae develop into a cyst form called a metacercaria in the muscles and other tissues of the crayfish....
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This note was uploaded on 01/23/2012 for the course MCB MCB2010 taught by Professor Smith during the Fall '09 term at Broward College.
- Fall '09