Ecosystem - A community of living organisms and their interactions with the environment, Habitat - The natural environment where an organism lives., Biotic factors - The living components of an ecosystem (e.g., plants, animals)., Abiotic factors - The non-living components of an ecosystem (e.g., sunlight, water, soil)., Biosphere - The part of Earth where all life exists, encompassing all ecosystems., Community - A group of different species living and interacting in the same area., Population - A group of individuals of the same species living in a specific area., Symbiosis - A close, long-term interaction between two different species., Mutualism - A type of symbiosis where both species benefit., Commensalism - A type of symbiosis where one species benefits and the other is unaffected., Parasitism - A type of symbiosis where one species benefits at the expense of the other., Predator-prey relationship - An interaction where one organism (predator) hunts and eats another (prey)., Competition - The struggle between organisms for the same resources in an environment., Photosynthesis - The process by which plants make food using sunlight, carbon dioxide, and water, Cellular respiration - The process by which organisms convert glucose and oxygen into energy, carbon dioxide, and water., Energy pyramid - A diagram showing the flow of energy through different trophic levels in an ecosystem., Trophic levels - The positions organisms occupy in a food chain (e.g., producers, primary consumers)., Energy flow - The movement of energy through an ecosystem from producers to various consumer levels., Migration - The seasonal movement of animals or people from one place to another, usually for food, breeding, or climate conditions., Immigration - he act of moving into a new country or region to live permanently., Emigration - The act of leaving one's own country or region to live in another., Introduced species - Species that are brought into an ecosystem by humans, either intentionally or accidentally, where they are not native.,

Year 9- Ecosystem

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