https://www.khanacademy.org/science/ap-college-environmental-science/x0b0e430a38ebd23f:global-change/x0b0e430a38ebd23f:human-impact-on-species/a/why-species-become-endangered 2024-08-05T20:38:08.513637776Z Why species become endangered Review your understanding of endangered species with this free article aligned to AP standards. article https://www.khanacademy.org/science/hs-bio/x230b3ff252126bb6:biodiversity-and-human-impacts/x230b3ff252126bb6:humans-and-biodiversity/a/biodiversity-loss-and-extinction 2026-04-26T16:30:39.382257956Z Learn: Biodiversity loss and extinction Learn about biodiversity loss and extinction. article https://www.khanacademy.org/science/ap-biology/ecology-ap/disruptions-to-ecosystems/v/human-activities-that-threaten-biodiversity 2024-05-06T19:22:43.24334365Z Human activities that threaten biodiversity Biodiversity is threatened by human population growth and resource utilization, leading to decreased species richness. Local factors contributing to biodiversity loss include land-use changes, pollution, resource exploitation, and introduction of exotic species. Balancing human needs with ecosystem health requires doing more with less and preserving species richness for a sustainable future. California Academy of Sciences video https://cdn.kastatic.org/googleusercontent/lIwFyjJR3YjUIMdXu-SqvzHvpWcBxkgWTdk3ak7DkceypH3Lo6QrlIREWwRfs9yyLfJu6m7JtI_3jthsDjlFcoGx Human activities that threaten biodiversity Biodiversity is threatened by human population growth and resource utilization, leading to decreased species richness. Local factors contributing to biodiversity loss include land-use changes, pollution, resource exploitation, and introduction of exotic species. Balancing human needs with ecosystem health requires doing more with less and preserving species richness for a sustainable future. https://cdn.kastatic.org/ka-youtube-converted/2RC3Hsk90t8.mp4/2RC3Hsk90t8.mp4 771 Biodiversity threats and species extinction https://www.khanacademy.org/science/ap-biology/ecology-ap/disruptions-to-ecosystems/v/introduced-species-and-biodiversity 2023-06-22T09:47:49.118446933Z Introduced species and biodiversity Introduced species, also known as exotic species, can disrupt ecosystems and harm native species. While some introduced species benefit humans and native species, invasive species outcompete natives, causing ecological damage. Invasive species often lack natural predators and can introduce diseases, parasites, and pathogens. It is important to recognize and mitigate the impact of invasive species on ecosystems to preserve biodiversity and maintain healthy ecological functions. California Academy of Sciences video https://cdn.kastatic.org/googleusercontent/YAfumdqpkEa2m5KjSHwj99JO7D9dW_veuMQXu50IOyEjVCTHeXjJdIrv2ejgzxR5Gn8pLZayvodqQFRNbE2tEUE Introduced species and biodiversity Introduced species, also known as exotic species, can disrupt ecosystems and harm native species. While some introduced species benefit humans and native species, invasive species outcompete natives, causing ecological damage. Invasive species often lack natural predators and can introduce diseases, parasites, and pathogens. It is important to recognize and mitigate the impact of invasive species on ecosystems to preserve biodiversity and maintain healthy ecological functions. https://cdn.kastatic.org/ka-youtube-converted/J-ftiWffNTc.mp4/J-ftiWffNTc.mp4 596 Biodiversity threats and species extinction https://www.khanacademy.org/science/9th-grade-science-matatag/xc6c9cbcd628f26fe:3rd-quarter-life-science/xc6c9cbcd628f26fe:biodiversity-loss-and-extinction/e/test-your-knowledge-of-local-threats-to-biodiversity 2026-04-08T00:36:09.500768563Z Test your knowledge: local threats to biodiversity Test your knowledge of local threats to biodiversity calacademy exercise https://www.khanacademy.org/science/9th-grade-science-matatag/xc6c9cbcd628f26fe:3rd-quarter-life-science/xc6c9cbcd628f26fe:biodiversity-loss-and-extinction/a/exploration-questions-local-threats-to-biodiversity 2021-04-29T07:59:43Z Exploration questions: local threats to biodiversity article https://www.khanacademy.org/science/cambridge-o-level-biology-cie/x2a084a90105205d2:relationships-of-organisms-with-one-another-and-with-the-environment/x2a084a90105205d2:effects-of-humans-on-ecosystems/a/glossary-local-threats-to-biodiversity 2021-04-29T07:59:33Z Glossary: local threats to biodiversity article https://www.khanacademy.org/science/9th-grade-science-matatag/xc6c9cbcd628f26fe:3rd-quarter-life-science/xc6c9cbcd628f26fe:biodiversity-loss-and-extinction/a/selected-references-local-threats-to-biodiversity 2021-04-29T07:56:42Z Selected references: local threats to biodiversity article https://www.khanacademy.org/science/9th-grade-science-matatag/xc6c9cbcd628f26fe:3rd-quarter-life-science/xc6c9cbcd628f26fe:biodiversity-loss-and-extinction/a/answers-to-the-exploration-questions-local-threats-to-biodiversity 2021-04-29T08:02:35Z Answers to the exploration questions: local threats to biodiversity article https://www.khanacademy.org/science/ap-biology/ecology-ap/disruptions-to-ecosystems/v/how-does-climate-change-affect-biodiversity 2024-05-06T19:22:43.24334365Z How does climate change affect biodiversity? Global warming, caused by increasing greenhouse gas emissions, threatens biodiversity. As temperatures rise, species struggle to adapt, leading to extinctions and ecosystem disruptions. Melting ice contributes to sea level rise, endangering low-lying habitats. Additionally, increased carbon dioxide levels affect plant growth and biodiversity, potentially exacerbating climate change through feedback loops. Urgent action is needed to address these challenges and protect our planet's diverse ecosystems. California Academy of Sciences video https://cdn.kastatic.org/googleusercontent/d-YQkLRjmNiut6yWmhv9zRc2_yI-3t5mZFb38VZKHy44nHhmMvWJEFnNdlePvmCNHqsDHkeXIi23btU4mXtZ3Iw-TQ How does climate change affect biodiversity? Global warming, caused by increasing greenhouse gas emissions, threatens biodiversity. As temperatures rise, species struggle to adapt, leading to extinctions and ecosystem disruptions. Melting ice contributes to sea level rise, endangering low-lying habitats. Additionally, increased carbon dioxide levels affect plant growth and biodiversity, potentially exacerbating climate change through feedback loops. Urgent action is needed to address these challenges and protect our planet's diverse ecosystems. https://cdn.kastatic.org/ka-youtube-converted/XFmovUAWQUQ.mp4/XFmovUAWQUQ.mp4 727 Biodiversity threats and species extinction https://www.khanacademy.org/science/biology/biodiversity-and-conservation/threats-to-biodiversity/v/ocean-acidification-and-biodiversity-impacts 2021-03-18T10:33:23Z Demystifying ocean acidification and biodiversity impacts Why rising carbon dioxide levels in the atmosphere affect the acidity of the ocean, and what the consequences are for marine life. Video by California Academy of Sciences. California Academy of Sciences video https://cdn.kastatic.org/googleusercontent/6YMU-CjQIlS4BSH5nuCYtNKXHOR56CiaBGW3M27MYwMNoI5KUIcZ6Z-jCcEWiFJCvaTHutY6sRF3BURNZGGGej4 Demystifying ocean acidification and biodiversity impacts Why rising carbon dioxide levels in the atmosphere affect the acidity of the ocean, and what the consequences are for marine life. Video by California Academy of Sciences. https://cdn.kastatic.org/ka-youtube-converted/GL7qJYKzcsk.mp4/GL7qJYKzcsk.mp4 733 Biodiversity threats and species extinction https://www.khanacademy.org/science/9th-grade-science-matatag/xc6c9cbcd628f26fe:3rd-quarter-life-science/xc6c9cbcd628f26fe:biodiversity-loss-and-extinction/e/test-your-knowledge-of-global-threats-to-biodiversity 2026-04-07T23:36:17.218592739Z Test your knowledge: global threats to biodiversity Test your knowledge of global threats to biodiversity calacademy exercise https://www.khanacademy.org/science/9th-grade-science-matatag/xc6c9cbcd628f26fe:3rd-quarter-life-science/xc6c9cbcd628f26fe:biodiversity-loss-and-extinction/a/exploration-questions-global-threats-to-biodiversity 2021-04-29T07:50:56Z Exploration questions: global threats to biodiversity article https://www.khanacademy.org/science/9th-grade-science-matatag/xc6c9cbcd628f26fe:3rd-quarter-life-science/xc6c9cbcd628f26fe:biodiversity-loss-and-extinction/a/glossary-global-threats-to-biodiversity 2021-04-29T07:50:21Z Glossary: global threats to biodiversity article https://www.khanacademy.org/science/9th-grade-science-matatag/xc6c9cbcd628f26fe:3rd-quarter-life-science/xc6c9cbcd628f26fe:biodiversity-loss-and-extinction/a/selected-references-global-threats-to-biodiversity 2021-04-29T07:54:09Z Selected references: global threats to biodiversity article https://www.khanacademy.org/science/9th-grade-science-matatag/xc6c9cbcd628f26fe:3rd-quarter-life-science/xc6c9cbcd628f26fe:biodiversity-loss-and-extinction/a/answers-to-the-exploration-questions-global-threats-to-biodiversity 2021-04-29T08:00:47Z Answers to the exploration questions: global threats to biodiversity article