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How variation can be introduced into a species.

Diffusion and Osmosis

Mitosis is how cells divide! Learn what happens in all the phases of mitosis: prophase, metaphase, anaphase, and telophase.

Molecular structure of DNA. Nucleotide. Nitrogenous base, phosphate.

An elaboration on some of the common misconceptions in dealing with Newton's Third Law. He also shows how to correctly and reliably identify Third Law force pairs.

Introduction to the circulatory system and the heart

Outcomes:

• Determine which mutations are favored by the selection agents of predators and food variety and which mutations are neutral.
• Describe which traits change the survivability of an organism in different environments.
• Experiment with environments which produce a stable population of bunnies, a population that dies out, and a population that takes over the world.
• Track genes through multiple generations.
• Compare how dominant and recessive genes get passed onto offspring.

Learn about Newton's third law of motion, which states that for every action there is an equal and opposite reaction. Look at multiple examples that illustrate this law, including pushing a block on ice, pushing against a desk, walking on sand, how rockets work, and how an astronaut could save themselves from drifting in space.

Overview of animal and plant cells. Topics include cell walls, vacuoles, chloroplasts, peroxisomes, lysosomes, mitochondria, etc.

Meiosis is a process that creates sex cells (gametes) with half the number of chromosomes of the parent cell. Meiosis has two stages: meiosis I and meiosis II. In meiosis I, homologous chromosomes pair up and exchange genetic material (crossing over). In meiosis II, sister chromatids separate, creating four haploid cells.