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    plants, animals, and microorganisms, the genes they contain, and the ecosystems they form This diversity is essential for the stability and resilience of ecosystems, providing vital services that sustain life on our planet Biodiversity can be categorized into three main levels: genetic diversity,
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    Genetics, Evolution Ecosystems (OCR A Level Biology) Get ready for your OCR A Level Biology exams with our revision resources Find everything you need to revise this topic, so you can go into your exam confident and prepared
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    Within an ecosystem, different species carry unique genetic information that can be used for various purposes, including medical research, crop improvement, and conservation efforts Preserving ecosystem diversity helps to protect these valuable genetic resources
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    Furthermore, environmental pollution can introduce harmful mutations or reduce the reproductive success of organisms When Diversity Declines: The Real-World Impacts The loss of genetic diversity has tangible consequences for wildlife and humans A primary impact is an increased vulnerability to diseases and pests
  • GATE 2025 Syllabus for Ecology and Evolution: Download EY . . .
    Candidates can find the details of topics included in GATE EY Syllabus for Ecology section in the below table: Abiotic and biotic components; scales (population, species, community, ecosystems, biomes); niches and habitats





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