Polyp
from class: Biology for Non-STEM Majors Definition A polyp is a sessile, tubular form of a cnidarian with a mouth and tentacles facing upward. Polyps can reproduce asexually by budding and are typically found attached to surfaces in aquatic environments.
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Predict what's on your test 5 Must Know Facts For Your Next Test Polyps are one of the two main body forms of cnidarians, the other being medusae. They have a cylindrical body with an opening surrounded by tentacles that contain specialized cells called cnidocytes. Polyps can exist as solitary organisms or as part of colonies, such as coral reefs. The gastrovascular cavity inside polyps serves both digestive and circulatory functions. Some polyps can transform into the medusa form during their life cycle. Review Questions What is the primary difference between a polyp and a medusa? How do polyps reproduce? What function do the tentacles serve in polyps?
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