ZOO 3700 Study Guide - Midterm Guide: Holoplankton, Nekton, Crustacean Larvae
26 Sep 2017
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Lab 1 mysteries of the atlantic coast. Part a: zooplankton: the animal wanderers: plankton are small organisms living suspended in water - not attached (benthos) or able to swim against the current (nekton, phytoplankton - includes photosynthetic unicellular portists and bacteria. 1 species - restricted to the baltic sea. 6 species - abundant in temperate regions - na region. Some jellyfish belong to meroplankton - they represent a pelagic life stage of benthic polyps. Salps and appendicularians are more common in open ocean systems: chaetognatha - arrow worms a type of holoplankton group. This time the planktonic larvae are part of the planktonic food web. These larvae are a major and important part of planktonic communities. In the planktonic stage - larvae are subjected to a significant loss by predators. The adults have to make up for this loss by producing a large number of eggs.
