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Curated OER
Mastering the Parts of a Cell
There are great lessons and tricks you can use for teaching your students about cellular organelles.
Curated OER
ARE WE IN THE MIDDLE OF A MASS EXTINCTION?
Students identify and interpret the following: What is mass extinction, and what are some theories for why it happens? How often do species become extinct? What is the normal rate of extinction? Why are some species endangered? What...