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Characterized by eight tentacles with responsive suckers, this mollusk has lost all
but a tiny remnant of its shell and is known for its skill in camouflage. It is further
classified in the class Cephalopoda, meaning "head foot"; it has undergone an ...
This form of reproduction is known as viviparity — young hatching from eggs
within the body of the mother and receiving nourishment directly from her. ♢ List
the three reproductive strategies and explain their differences. Which would
seem to ...
Orcas are known to lob-tail, as are humpbacks. Whales are sometimes seen with
their heads entirely out of the water. This behavior is known as spy-hopping and
may help them to navigate by giving them a closer look at landmarks. Both orcas
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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