Study Guide - Chapter 6
Study Guide – Chapter 6
are some of the most ecologically important aquatic ecosystems on the
As I mentioned in class, coral
have a symbiotic
relationship, and together they create the complex habitats that are home to so many
invertebrates and fishes.
They provide ecosystem services related to CO
coastal protection, and fisheries production, but it is the incredible biodiversity, and
its loss through pollution, warming (coral bleaching), and disease that is of such
great concern to conservationists (see Figure 6-12, and the discussion on pages
Aquatic life zones can be divided by salinity, flow, temperature, and depth, and all of the
continents (except Antarctica) have numerous lakes, ponds, rivers, and nearshore
marine habitats that provide a tremendous diversity of resources, including food,
minerals, oil, transportation, recreation, and ecosystem services in the form of CO
fixation and biogeochemical cycling.
We have looked at aquatic food webs in class, most are based on
, which are consumed by a wide variety of swimming organisms called
, and substrate-dwelling organisms called
, and of course, never
forget the decomposers, we have stressed their importance in food webs.
also talks about
, small bacteria in the ocean that contribute