https://www.khanacademy.org/science/ms-biology/x0c5bb03129646fd6:ecosystems-and-biodiversity/x0c5bb03129646fd6:biodiversity-and-ecosystem-health/a/biodiversity-and-ecosystem-health 2025-06-27T20:09:18.583186198Z Biodiversity and ecosystem health Learn about the connections between biodiversity and ecosystem health. article https://www.khanacademy.org/science/hs-bio/x230b3ff252126bb6:biodiversity-and-human-impacts/x230b3ff252126bb6:humans-and-biodiversity/a/threats-to-biodiversity 2024-06-12T19:16:42.550703216Z Threats to biodiversity Learn about threats to biodiversity and ecosystems. article https://www.khanacademy.org/science/ms-biology/x0c5bb03129646fd6:interactions-in-ecosystems/x0c5bb03129646fd6:resources-and-population-growth/v/ms-resources-and-population-growth 2022-10-21T22:40:33.613234713Z Resources and population growth In any ecosystem, organisms and populations with similar requirements for food, water, oxygen, or other resources may compete with each other for limited resources, access to which consequently constrains their growth and reproduction. Growth of organisms and population increases are limited by access to resources. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/ba4594ec-059f-4dbf-a12c-734bb6177b33_1280_720_base.png Resources and population growth In any ecosystem, organisms and populations with similar requirements for food, water, oxygen, or other resources may compete with each other for limited resources, access to which consequently constrains their growth and reproduction. Growth of organisms and population increases are limited by access to resources. https://cdn.kastatic.org/ka-youtube-converted/i5uF5inpY7s.mp4/i5uF5inpY7s.mp4 218 Ecological imbalance https://www.khanacademy.org/science/ms-biology/x0c5bb03129646fd6:interactions-in-ecosystems/x0c5bb03129646fd6:resources-and-population-growth/a/resources-and-population-growth 2026-04-15T05:40:45.550331962Z Key points: Resources and population growth Review your understanding of resources and population growth in this free article. article https://www.khanacademy.org/science/ms-biology/x0c5bb03129646fd6:interactions-in-ecosystems/x0c5bb03129646fd6:resources-and-population-growth/e/understand-resources-and-population-growth 2026-04-15T05:40:45.550331962Z Understand: Resources and population growth Check your understanding of resources and population growth in this set of free practice questions. Khan Academy exercise https://www.khanacademy.org/science/ms-biology/x0c5bb03129646fd6:interactions-in-ecosystems/x0c5bb03129646fd6:resources-and-population-growth/e/apply-resources-and-population-growth 2026-04-15T05:40:45.550331962Z Apply: Resources and population growth Apply your understanding of resources and population growth in this set of free practice questions. Khan Academy exercise