Curated OER
Biology: living Things and their Environment
Middle schoolers recognize that organisms depend on other organisms. In this organism lesson, students understand symbiotic relationships and competition. Middle schoolers explain food chains and food webs. Students understand that...
Curated OER
Drought, nomads and the price of peanuts
Students read two short text items, which describe different approaches to agriculture. They describe the likely advantages and disadvantages of each approach for farmers, commercial peanut buyers, the government, nomadic herdsman and...
The Association of the British Pharmaceutical Industry
Abpi: Population Growth
Students control the environments in four different scenarios to discover how any changes might affect populations. The different simulations include microorganisms, rabbits, foxes, and other organisms.
Bio Topics
Bio Topics: Measuring Population Sizes
Read and understand the concept of ecological population counts and sizes. Hover the mouse over questions to reveal the answers as you sharpen your skills.
BBC
Bbc News: Disposable Planet
The Earth's population is soaring, but its resources are finite. Can we provide food, water, energy? Watch a slideshow on our planet's future, and take a quiz to measure your impact on the Earth.