https://www.khanacademy.org/science/revision-term-2-tg-biology-class-8/x04828215b460a495:week-1/x04828215b460a495:different-ecosystems/v/interactions-between-organisms 2025-10-01T04:00:43.064865848Z Interactions between Organisms This video talks about how biotic (living) and abiotic (non-living) parts of nature team up to form ecosystems—from ponds to forests to farms. In this video, you'll learn: 1. The difference between biotic and abiotic components. 2. Define an ecosystem and spot its types: aquatic, terrestrial, and human-made . 3. Understand biotic–abiotic biotic–biotic interactions and abiotic–abiotic interactions with examples 4. Understand how these interactions keep ecosystems balanced Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Interactions between Organisms This video talks about how biotic (living) and abiotic (non-living) parts of nature team up to form ecosystems—from ponds to forests to farms. In this video, you'll learn: 1. The difference between biotic and abiotic components. 2. Define an ecosystem and spot its types: aquatic, terrestrial, and human-made . 3. Understand biotic–abiotic biotic–biotic interactions and abiotic–abiotic interactions with examples 4. Understand how these interactions keep ecosystems balanced https://cdn.kastatic.org/ka-youtube-converted/PBZrMu1UN5c.mp4/PBZrMu1UN5c.mp4 478 Interactions among organisms https://www.khanacademy.org/science/revision-term-2-tg-biology-class-8/x04828215b460a495:week-1/x04828215b460a495:different-ecosystems/e/interactions-among-organisms 2026-04-07T23:55:07.30621384Z Interactions among organisms Explore how interactions in an ecosystem create benefits such as soil protection by roots, oxygen release by plants, cooling and moisture retention under trees, and the role of abiotic–abiotic relations like sunlight and wind. This exercise helps Class 8 students identify biotic–abiotic, abiotic–abiotic, and biotic–biotic interactions and understand their importance for ecosystem balance. Yajurva Joshi exercise https://www.khanacademy.org/science/hs-bio/x230b3ff252126bb6:ecology-and-natural-systems/x230b3ff252126bb6:organization-of-natural-systems/v/biotic-and-abiotic-factors-in-earths-natural-systems 2024-05-28T21:41:02.467178644Z Biotic and abiotic factors in Earth’s natural systems Natural systems are made up of both biotic factors (living organisms and their interactions) and abiotic factors (non-living parts of the environment such as sunlight and temperature). Earth can be divided into four systems, called spheres: the atmosphere (gases surrounding Earth), the biosphere (all living organisms), the geosphere (Earth's interior and surface), and the hydrosphere (all forms of water). Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/1b8f7160-2496-44ec-8a88-7e34c7fc5c26_1280_720_base.png Biotic and abiotic factors in Earth’s natural systems Natural systems are made up of both biotic factors (living organisms and their interactions) and abiotic factors (non-living parts of the environment such as sunlight and temperature). Earth can be divided into four systems, called spheres: the atmosphere (gases surrounding Earth), the biosphere (all living organisms), the geosphere (Earth's interior and surface), and the hydrosphere (all forms of water). https://cdn.kastatic.org/ka-youtube-converted/GxKWCiZHsvo.mp4/GxKWCiZHsvo.mp4 314 Interactions among organisms https://www.khanacademy.org/science/ms-biology/x0c5bb03129646fd6:interactions-in-ecosystems/x0c5bb03129646fd6:populations-communities-and-ecosystems/v/ms-populations-communities-and-ecosystems 2022-10-21T22:40:33.613234713Z Populations, communities, and ecosystems Organisms, and populations of organisms, are dependent on their environmental interactions both with other living things and with nonliving factors. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/5672b967-c8cc-46f0-ba8b-431eb788378e_1280_720_base.png Populations, communities, and ecosystems Organisms, and populations of organisms, are dependent on their environmental interactions both with other living things and with nonliving factors. https://cdn.kastatic.org/ka-youtube-converted/xzINev2Bd8s.mp4/xzINev2Bd8s.mp4 226 Interactions among organisms