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Welcome to BioZine Xtra
Only from McDougal Littell Biology, BioZine Xtra is a free e-newsletter that puts you on a fast track to what's happening in the ever-changing world of biology. With links to McDougal Littell's BioZine online magazine, connections to McDougal Littell's breakthrough biology program and more, BioZine Xtra provides a kinetic learning experience that keeps McDougal Littell Biology current and up-to-date! |
BioZine Feature Article
Discover what's new and exciting in biology with this article from McDougal Littell's BioZine online magazine
Photo Credit: Tracy Brooks, Mission Wolf/USFWS
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Fear and Recovery in Yellowstone
Enter the wolf. In 1995, gray wolves were reintroduced to Yellowstone National Park. After the wolves integrated back in to the park ecosystem, researchers noticed that the number of new aspen trees started to rise. Why would tree populations increase with the rise in wolf numbers?
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Cool Connections
Get your students instantly thinking about the uncommon connections between biology and the world they live in
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I Vant to Bite Your Neck...
How do vampire bats connect to the concepts of reciprocal altruism, natural selection, ecology, and homeostasis? More than the stuff of classic horror movies, these creepy blood-suckers will give your students an exciting look at biology in action—and may even change their views about bats! Use these ready-made lessons and activities with your students.
View entire article and activities
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Biology Now
McDougal Littell Biology author Stephen Nowicki comments on the latest happenings in biology
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Do Chimps Play Fair?
Scientists have recently studied whether our closest living relative, the chimpanzee, is capable of cooperative behavior. Do chimpanzees always act out of self-interest? The results might shed some light on what makes us human.
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Strange Biology
Wow your students with these fun and astonishing factoids from the world of biology
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Seeing Spots? You Mite Not!
Our eyelashes are home to tiny mites, a type of arachnid, that feast on oil secretions and dead skin. Without harming us, up to 20 mites may be living in each eyelash follicle!
Learn more about demodicids
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