an ecosystem differ from a community?","back":"An ecosystem includes the abiotic (non-living) components of the environment, whereas a community only consists of the living organisms.","points":2,"mcqOptions":[{"text":"An ecosystem includes the abiotic (non-living) components of the environment, whereas a community only consists of the living organisms.","correct":true,"explanation":"An ecosystem comprises a community of interacting organisms together with non-living factors such as temperature, water and soil, while a community includes only the organisms present."},{"text":"An ecosystem only consists of the living organisms in an environment, whereas a community includes both the biotic and abiotic components.","correct":false,"explanation":"This reverses the definitions. A community contains all the living populations in an area, whereas an ecosystem includes that community plus abiotic factors such as light and temperature."},{"text":"An ecosystem consists of organisms from the same species in an environment, whereas a community consists of all interacting species.","correct":false,"explanation":"Organisms of one species in an area form a population, not an ecosystem. An ecosystem contains the whole community and the abiotic components with which organisms interact."},{"text":"An ecosystem includes all the living organisms in an environment, whereas a community consists of one species and its non-living surroundings.","correct":false,"explanation":"This confuses communities with populations and incorrectly assigns abiotic surroundings to a community. An ecosystem includes living organisms and abiotic factors, while a community contains all living organisms."}]},{"id":"c3c1b666-1358-49d9-a863-734ad23646e0","cardType":"basic","front":"What is the relationship between a habitat and a niche?","back":"A habitat is the specific place where an organism lives, while its niche is its functional role and interactions within that environment.","points":2,"mcqOptions":[{"text":"A habitat is the specific place where an organism lives, while its niche is its functional role and interactions within that environment.","correct":true,"explanation":"A habitat describes an organism’s physical location, whereas its niche describes how it uses resources, responds to conditions and interacts with other organisms there."},{"text":"A habitat is the functional role performed by an organism, while its niche is the specific place where it lives within that environment.","correct":false,"explanation":"This swaps the two terms. The habitat is the physical place occupied by an organism, while its niche is its role, resource use and ecological interactions."},{"text":"A habitat is the specific place where a population lives, while its niche is the complete community of organisms within that environment.","correct":false,"explanation":"A niche is not the surrounding community; it describes an organism’s ecological role and interactions. Its habitat is the particular place in which it lives."},{"text":"A habitat is the range of conditions tolerated by an organism, while its niche is its exact geographical location within that environment.","correct":false,"explanation":"This confuses tolerance range with habitat and location with niche. A habitat is where an organism lives, while its niche describes its role and interactions there."}]}]}],"examCountdown":{"examDate":"2027-06-07","paperLabel":"Paper 1"},"heading":"Populations in ecosystems (A-level only)","title":"Populations in ecosystems (A-level only) Flashcards","topicSidebar":"$L41"}]}],"topicId":"dd92b8c3-9421-5bd8-a583-9aeab7c08e09","walled":"$L42"}],"$L43"]