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Further Investigations: Energy Acquisition, Growth, and Reproduction

  1. Even the largest fish begin their lives as tiny fertilized eggs. Use library and Internet resources to investigate how the diet of different fish species changes as they grow.
  2. Some fish species are detritivores, meaning they eat detritus. Detritus is any debris and decomposing material from dead organisms. What are some examples of detritivorous fish? Where do these fish live? How are these species adapted to exploit detritus as a source of nutrients and energy?
  3. Some fish species are sequential hermaphrodites, capable of changing from one sex to another as they grow. What are some evolutionary advantages and disadvantages of this reproductive adaptation? Use library and Internet resources to aid your investigation.
Exploring Our Fluid Earth, a product of the Curriculum Research & Development Group (CRDG), College of Education. University of Hawaii, 2011. This document may be freely reproduced and distributed for non-profit educational purposes.