Middle School Science Resources
For Busy Middle School Teachers
How many species on Earth?
Have you ever wondered how many species are on Earth? I came across this article that 86% of plants and animals on land and 91% of plants and animals in the sea have been catalogued. I find this amazing that in todays day and time that there are still undiscovered species. This article would be a great resources for a discussion on classification in the classroom. Click here for more.
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