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Look again at the body design of the butterflyfish. What part of the reef is it able to
enter? What is the advantage in this? ♢ What other fish seems to have a similar
body design? There is one fish on the reef that has an unusual body design for ...
This reproductive method — depositing an egg outside the body where the
young are nourished by a yolk — is called oviparity. Other sharks develop within
the body of their mother, nourished there by a yolk sac. The young emerge as ...
Whales also use their bodies to communicate. Movement of the tail flukes out of
the water and crashing them down on the surface is called lob-tailing and may be
a technique for attracting fish or concentrating krill. Orcas are known to lob-tail, ...
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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