Bozeman Science
Thinking in Systems - Level 5 - Simulating Systems
In this video Paul Andersen shows conceptual thinking in a mini-lesson on simulating systems. TERMS: Simulations - imitation of a situation or process Interactions - reciprocal (two-way) action or influence Energy - the ability to cause...
Amoeba Sisters
Amoeba Sisters: Mitosis Mini Tutorial
A quick review video of the stages of mitosis. Video uses the acronym PMAT so students can remember the order of the stages. Teachers can visit Amoeba Sisters' website for a handout that goes along with video. [2:58]
Khan Academy
Khan Academy: Zygote Differentiating Into Somatic and Germ Cells
Learn how a zygote, the single cell produced by fertilization, divides by mitosis to produce all the tissues of the human body (including germ cells, which can undergo meiosis to make sperm and eggs). [9:35]
Bozeman Science
Bozeman Science: Evidence for Evolution
Paul Andersen lists major evidence for the existence of evolution. He begins with a discussion of Charles Darwin and the evidence that he presented in the Origin of Species, including biogeography, fossils, and homologies. He also...