Do sea urchins contain teeth
Do sea urchins contain teeth?
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Sea urchins contain a teeth-like structure juxtaposed to the mouth and made up of five teeth joined to ossicles and muscle fibers. This structure, termed as Aristotle’s lantern, is utilized to scratch food, mostly algae, from marine rocks.
How is gas exchange done in the mammals?
Besides liver that is other adnexal gland of the digestive system which releases substances within the duodenum participating in the extracellular digestion?
Determine which of the given illustrations are of disintermediation:(i) A vitamin manufacturer sells vitamins online directly to the consumer. (ii) A clothing manufacturer sells clothes to retailers. (iii) An airline provides a website for trave
What does bioavailability signify?
Describe briefly the term population growth rate.
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Specify the two reproductive novelties of beings of class Reptilia which allow for the survival within the dry environments?
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As the visual images are projected in an inverted way on the retina why we don't see things in upside down?
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