• the coastal zone measuring from the lowest to the highest tide mark.
motile cilia
  • There are two types of cilia: motile cilia, which constantly beat in one direction and result in movement of the cell or of fluids (water, mucus, etc.) around the cell, and non-motile cilia, which typically serve as sensory organelles.
  • A perennial plant or simply perennial (Latin per, "through", annus, "year") is a plant or algae that lives for more than two years. The term is often used to differentiate a plant from shorter lived annuals and biennals.

  • Perennials, grow and bloom over the spring and summer and then die back every autumn and winter, then return in the spring from their root-stock rather than seeding themselves as an annual does.
  • A single digitiform process or stylode .
  • A botanical term here used to mean a finger-like projection.

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