Cold Spring Harbor Laboratory
Development Balances Cell Growth and Death
Cells demonstrate a life cycle like other living things, but what if death was no longer part of the cycle? Learn about the important balance requiring death to continue functioning. An online interactive introduces a group of scientists...
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Mitosis
Students list and identify cells in their body. They take notes and discuss mitosis and the cell cycle as they observe the teacher diagramming the stages of mitosis. Using strings to represent different chromosomes, students...
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Cell 9 Edited: Meiosis
Student list the steps of mitosis with a brief definition of each stage. Then they begin their study of meiosis. They practice placing the stages of meiosis in order using flashcards depicting the Prophase, Metaphase, Anaphase, and...
Curated OER
Science Reproduction
Students discuss the different stages of mitosis. For this biology lesson, students work in pairs as they draw and diagram the stages of cell division. They discuss reproduction using pro, meta, ana and telophase.
Curated OER
Human Development: The First Trimester & Developmental Malformations
Students, analyze and discuss cleft lip, cleft palate, anencephaly, spina bifida and septal defects in the heart--well-known malformations that can occur in the first trimester of prenatal devalopment. They play the review game, Fetal...