They say there’s always more than one way to solve a problem, but some ways are better than others. Whether it’s tall ears, shells, beaks, or even glowing phosphorescence, the animal world is filled with examples of creatures who don’t share the same family tree but who do share important survival traits. In this fun, fact-filled look at convergent evolution, author Bridget Heos shows readers how some key survival problems are solved by some very different animals.
We think of evolution as a tree with branches that make clear, linear sense—with one animal and its traits clearly derived from one that came before it genetically. But what about animals who share key traits but aren’t on the same family tree? This is called convergent evolution, and it’s the big idea that Bridget Heos tackles in a kid-friendly way in Shell, Beak, Tusk.
From mammals to reptiles, and everything in between, Heos manages to make some intriguing comparisons—and bring to life theories of evolution and convergent
evolution in bite-sized, easily digested chunks of fun facts, illustrated with full-color photography throughout.
"A beautiful presentation of a complicated concept, and a great selection for classroom use." –SLJ
"Convergent evolution” sounds like a mouthful for elementary-grade kids, but in this beautifully photo-illustrated volume the concept is clearly explained and entertainingly reinforced..." —Bulletin
"With a concluding rundown of the persistence of repeated traits, a bibliography, and an index, this fine first glimpse at evolution is sure to spark the interest and imaginations of little ones far and wide." — Booklist
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