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Some marine biologists fear the destructive capabilities of the parrotfish, which
can scar and destroy large areas of reef. However, recent studies show that when
large herbivores like the parrotfish are prevented from feeding along an area of ...
In areas closest to the ocean, where marsh grasses and mangroves cannot
tolerate being completely submerged, sea grass communities are able to
colonize. Turtle and eelgrass are examples of sea grasses in these areas. And in
Many species of duck and goose may also winter in the estuaries, usually prefer.
ring those areas that are predominantly fresh water. Ideally suited to float and
feed, these birds gather aquatic vegetation (usually algae) with their shoveling ...
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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