Author: Khan Academy via YouTube
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Predatory interactions may reduce the number of organisms or eliminate whole populations of organisms. Mutually beneficial interactions, in contrast, may become so interdependent that each organism requires the other for survival. Although the species involved in competitive, predatory, and mutually beneficial interactions vary across ecosystems, the patterns of interactions of organisms with their environments, both living and nonliving, are shared.

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Credits:
"Roan Antilopes with Buffaloes, Zebras and one Eland at water hole" by Bernard DUPONT, licensed under a Creative Commons Attribution License (CC BY-SA 2.0):
https://commons.wikimedia.org/wiki/File:Roan_Antilopes_with_Buffaloes,_Zebras_and_one_Eland_at_water_hole_…_(30033578573).jpg
https://creativecommons.org/licenses/by-sa/2.0/deed.en

"Symbiotic mutualism between Bubalus bubalis and Acridotheres javanicus" by RIZKY HIDAYAT, licensed under a Creative Commons Attribution License (CC BY 4.0):
https://commons.wikimedia.org/wiki/File:Symbiotic_mutualism_between_Bubalus_bubalis_and_Acridotheres_javanicus.jpg
https://creativecommons.org/licenses/by/4.0/deed.en

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