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2. Khan Academy

   www.khanacademy.org/science/biology/ecology/population-ecology/a/population...

   Learn about population size, density, and dispersal in ecology on Khan Academy.

3. Population ecology review (article) | Khan Academy

   www.khanacademy.org/science/ap-biology/ecology-ap/population-ecology-ap/a/hs...

   Course: AP®︎/College Biology > Unit 8. Lesson 3: Population ecology. Exponential and logistic growth in populations. Exponential & logistic growth. Population regulation. Population regulation. Population growth rate based on birth and death rates. Per capita population growth and exponential growth. Logistic growth versus exponential growth.

4. Khan Academy

   www.khanacademy.org/science/biology/ecology/intro-to-ecology/a/what-is-ecology

   Ecology is the study of interactions between organisms and their environment, including both living and non-living components.

5. What is an ecosystem? (article) | Ecology | Khan Academy

   www.khanacademy.org/science/biology/ecology/intro-to-ecosystems/a/what-is-an...

   Ecosystems and biomes. What is an ecosystem? Flow of energy and matter through ecosystems. Food chains & food webs. Energy flow & primary productivity.

6. Unit 8: Ecology - Khan Academy

   www.khanacademy.org/science/ap-biology/ecology-ap

   Welcome to the fascinating subject of ecology! From population dynamics to biodiversity, this unit explores the complex web of interactions that make up our natural world.

7. Unit 9: Ecology - Khan Academy

   www.khanacademy.org/science/high-school-biology/hs-ecology

   Welcome to the fascinating subject of ecology! From population dynamics to biodiversity, this unit explores the complex web of interactions that make up our natural world.

8. Khan Academy

   www.khanacademy.org/.../a/resources-and-population-growth

   Khan Academy. If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. Explore. Search. AI for Teachers. Donate.

9. Khan Academy

   www.khanacademy.org/.../x049400914d70a1b7:organisms-and-populations

   Population ecology. Learn. Age pyramids. Population Density. Population growth rate based on birth and death rates. Per capita population growth and exponential growth. Logistic growth versus exponential growth. Exponential & logistic growth. Population growth and carrying capacity.

10. Unit 1: Ecology and natural systems - Khan Academy

    www.khanacademy.org/science/hs-bio/x230b3ff252126bb6:ecology-and-natural-systems

    Are you ready to explore the fascinating world of biology? We’ll begin our journey with this unit, learning about the organization of natural systems and how life is distributed across the globe. We'll also examine the ecological concepts of species niches, population growth, and ecological interactions.

11. Khan Academy

    www.khanacademy.org/science/ap-biology/ecology-ap/energy-flow-through...

    Learn about life history strategies in ecosystems, including the trade-offs between reproduction and survival.