This is a natural, artificial selection model that shows how counterbalancing forces of natural selection from the abiotic and biotic environment and from the distribution of resources needed for survival affect the outcomes of natural selection. The material is distributed in accordance with the CC BY. See details at: https://creativecommons.org/share-your-work/cclicenses

The material is distributed in accordance with the CC BY. See details at: https://creativecommons.org/share-your-work/cclicenses

This simulation allows students to model energy transfer between two solids. The material is distributed in accordance with the CC BY. See details at: https://creativecommons.org/share-your-work/cclicenses

Tài liệu được phân phối tuân theo Giấy phép CC BY. Xem chi tiết tại https://creativecommons.org/use-remix/cc-licenses/

Tài liệu được phân phối tuân theo Giấy phép CC BY. Xem chi tiết tại https://creativecommons.org/use-remix/cc-licenses/

Tài liệu được phân phối tuân theo Giấy phép CC BY. Xem chi tiết tại https://creativecommons.org/use-remix/cc-licenses/

Tài liệu được phân phối tuân theo Giấy phép CC BY. Xem chi tiết tại https://creativecommons.org/use-remix/cc-licenses/

This is a model of a selective breeding program of birds. In the scenario presented in the model the user assumes the role of a bird breeder, whose goal is breed a line of “fancy” looking birds through managing a selective breeding program. The material is distributed in accordance with the CC BY. See details at: https://creativecommons.org/share-your-work/cclicenses

An alternate option to using microscopes in the classroom. Students can look at all the microscopic images of animals and plants that has been used in the unit. The material is distributed in accordance with the CC BY. See details at: https://creativecommons.org/share-your-work/cclicenses