How Do Organisms Reproduce
Students examine the difference between mitosis and meiosis, and describe the steps involved in meiosis and the significance of each step. They create a diploid nucleus containing two pairs of chromosomes using clay.
6th - 8th Science 23 Views 139 Downloads
Determining Stream Health by the Diversity and Types of Benthic Organisms
How diverse are the benthic organisms found in local streams? Using the information learned in previous lessons on identification of macroinvertebrates and on calculating stream index values, groups determine the health of local streams....
8th - 12th Science
Reebops a Model "Organism" for Teaching Genetics Concepts
Reebops are cute, marshmallow-based creatures that can be used to teach inheritance. Beginning biologists draw strips of paper that represent chromosomes from two envelopes, one for the father, and one for the mother. Each parent...
7th - 12th Science
Reebops: A “Model” Organism for Teaching Genetic Concepts
In a sweet simulation, junior geneticists examine the chromosomes of a fictitious Reebop marshmallow animal, combine chromosomes to produce offspring, and then make a model of the resulting Reebop baby. Phenotypes include number of...
6th - 12th Science
Mitosis, Meiosis and Sexual Reproduction
Sal from the Khan Academy draws an example of sexual reproduction and the chromosomes that come together from each gamete. He explains mitosis about halfway through the video, eventually showing differentiation and meiosis. Give your...
18 mins 7th - 12th Science