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In some areas, protected lagoons and bays provide food and shelter to a few
animals and plants. Lagoons are sometimes formed as a coral reef island
evolves, while others exist along sheltered coasts. Inland waterways that are
affected by ...
Despite full protection by law, the Florida manatee now numbers only
approximately 1 200 individuals. As Florida's human population grows, so also
does the threat from pollution, hazardous floating debris and habitat
Recreational fishermen as well are asking for reduced protection for the
pinnipeds because they sometimes prey on salmon at fish ladders (devices
designed to assist salmon in navigating dams and other unnatural obstructions)
as they swim ...
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I purchased all three books in this set and taught a short course to a small group of high school kids. We had a great time with this course! We did 10 experiments and held very intense all-day ... Read full review