[Search Doc Brown's science website]
GCSE level biology notes: Ecosystems biotic and abiotic factors, interactions, interdependence
SITEMAP Use page sub-index, take time to study the content on ECOLOGY
ECOLOGY, ecosystems, biotic and abiotic factors, organism interactions, interdependence, parasitic, mutual relationships, interdependence, environmental changes, effects on populations Doc Brown's biology exam revision study notes This page will help you answer questions such as ... What is an ecosystem? What are biotic factors? What are abiotic factors? Why do populations of species rise and fall? How do environmental changes affect communities? Sub-index for this page on ecosystems (1) Introduction: Ecology and ecosystems: technical terms and definitions explained (3) Effects of environmental changes on communities - introduction and abiotic factors (4) Methods of surveying-monitoring pollution - measuring abiotic factors (5) Changes in communities - biotic factors and populations (6) Examples of how a population might change in size when a biotic/abiotic factor changes (7) More examples of interactions - interdependence - mutualism and parasitism See also Ecological surveying - using quadrats and transects and two other important sections Food chains and webs, trophic levels, pyramids of biomass & numbers, transfer efficiency Biodiversity, land management, waste management, maintaining ecosystems - conservation WHERE NEXT? See also Carbon cycle, nitrogen cycle, water cycle and decomposition Food chains, food webs and biomass Biodiversity, land management, waste management, maintaining ecosystems - conservation Ecological surveying - using quadrats and transects Find your GCSE science course for more help links to revision notes Use your mobile phone or ipad etc. in 'landscape' mode This is a BIG website, you need to take time to explore it [Website Search Box] HOME PAGE of Doc Brown's Science UK KS3 Science Quizzes for KS3 science students aged ~11-14, ~US grades 6, 7 and 8 Biology * Chemistry * Physics UK GCSE level students aged ~14-16, ~US grades 9-10 Advanced Level Chemistry for pre-university age ~16-18 ~US grades 11-12, K12 Honors
Website content © Dr
Phil Brown 2000+. All copyrights reserved on revision notes, images,
quizzes, worksheets etc. Copying of website material is NOT
permitted. Exam revision summaries and references to science course specifications
are unofficial. |
Doc Brown's Biology exam study revision notes |
|
|