WebJun 2, 2016 · Ecosystems and processes Nature of ecosystems – their structure, energy flows, trophic levels, food chains and food webs. Application of systems concepts to ecosystems – inputs, outputs, stores and transfers of energy and materials. Concepts of biomass and net primary production. WebEcosystems – pollution and nutrient cycles Pollution can have a significant effect on the environment. Humans introduce chemicals to the environment which can enter food chains, causing problems...
Biodiversity and the effect of human interaction on ecosystems
WebThe biotic parts of the ecosystem, which include bacteria, flora and fauna, have a complex relationship with the abiotic components - changing one will lead to a change in the other. Energy flows WebThe biotic factors refer to all the living beings present in an ecosystem, and the abiotic factors refer to all the non-living components like physical conditions (temperature, pH, humidity, salinity, sunlight, etc.) and chemical agents (different gases and mineral nutrients present in the air, water, soil, etc.) in an ecosystem. daily besch body inpiration
The carbon cycle - Organisation of an ecosystem - AQA - GCSE …
WebAn ecosystem is two or more populations of organisms (usually many more) in their environment. A population is all the organisms of the same or closely-related species in … WebGCSE AQA Adaptations, interdependence and competition The abundance and distribution of organisms in an ecosystem is determined by biotic and abiotic factors. Animals and plants have... WebIntroduction 2) Components of an ecosystem - AQA GCSE Geography Unit 1B. Geography Hawks 2.7K subscribers Subscribe 25 Share 1.8K views 2 years ago 4) Ecosystems A short video to examine the... daily best bets