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Today we know that the success of a species is determined by its ability to
respond to demands made by its environment. Some will respond to these
demands and will survive; others will not. Those organisms that are well and fit
will be able to ...
Some species of angelfish fiercely defend their territories, chasing intruders and
threatening them with a sharp spine on the pectoral fin. These tiny colorful fish
even hold social rank within populations along a given stretch of reef. They are
Sand crabs burrowing in the moist sand serve as prey to many species of shore
birds. Ghost crabs scurry about on the dry sand, finding that a nocturnal,
scavenging lifestyle on the darkened beaches suits their shy natures. Dwelling
on the ...
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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