1
Published in 2014
One of the critical functions of healthy soils is that they contain beneficial microbes that can enhance plant defense against disease, and sometimes against insects; our journey took us to Clemson's Dr. Geoff Zehnder to talk about his work. Dr. Geoff Zehnder is a professor of entomology and his...
Grade Level   Pre-K 1 2 3 4 5 6 7 8 9 10 11 12
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2
Published in 2009
In this Dinosaur Train clip, Mr. Conductor explains what fossils are and how they are created, and Dr. Scott the Paleontologist discusses how paleontologists find, care for, and conduct research with the fossils they uncover.
Grade Level   Pre-K K 1
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