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Placed in the order Cetacea, these huge mammals are further classified into two
distinct suborders — Mysticeti (the baleen whales) and Odontoceti (the toothed
whales). All have blowholes on the tops of their head through which they breathe.
(Belugas and narwhals are also toothed whales and will be discussed in the
Chapter 13, Polar Seas.) The largest whales have no teeth, but rather fringed
plates of keratin known as baleen. These plates serve as food-catching brushes
for the ...
Although fully protected by the International Whaling Commission, the blue whale
is not, by any means, out of danger. All whales are known for their effective
means of communicating. The toothed whales communicate by emitting from
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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