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National 5 Biology - Life on Earth Questions and Answers | Latest Version | 2025/2026 | Correct & Verified What is meant by a "biotic factor" in an ecosystem? A biotic factor is a living component of an ecosystem, such as plants, animals, or microorganisms. What is meant by an "abiotic factor" in an ecosystem? An abiotic factor is a non-living component of an ecosystem, such as temperature, sunlight, water, and soil. What role do producers play in an ecosystem? Prod...

National 5 Biology- Life on Earth Test Revision Questions and Answers | Latest Version | 2025/2026 | Correct & Verified What term describes the role an organism plays within its ecosystem? Niche What process allows plants to convert light energy into chemical energy? Photosynthesis What gas is taken in by plants during photosynthesis? Carbon dioxide What is the main source of energy for most ecosystems? Sunlight What is the name given to organisms that make their own food...

National 5 Biology - Life on Earth Biodiversity ️️the variety of organisms within an ecosystem. abiotic factor ️️Non-living factor which has an impact on biodiversity e.g. pH, light intensity etc. biotic factor ️️Living factor which has an impact on biodiversity e.g. competition, predation etc. deforestation ️️clearing forests to make way for building, farming or to get natural resources. Decreases biodiversity. distribution ️️Where organisms are found -- can be i...