Wednesday, March 11, 2015

805: Animals: How Do We Tell Them Apart?

WORDS TO KNOW: 
alligator
backbone
classifying
invertebrates
mammals
particular
reptile
separately
vertebrates

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2 comments:

  1. http://youtu.be/KYCjgeWNj6M Kirsten.

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  2. http://www.nature.org/newsfeatures/specialfeatures/animals/

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