Geography GCSE Resources
This page provides links to a wide range of geography resources, case studies, tests and revision notes for Edexcel Geography GCSE Syllabus A and other UK GCSE and A level geography examinations.
These geography resources cover settlements and urban land use, urban management, population and resources, coasts and coastal management, rivers and river management, weather and climate, glaciation, sustainable development, agriculture and economic activity, high-tech industry, managing ecosystems, tourism and tourism management, and geographical skills.
The resources include comprehensive revision notes, glossaries, unique case studies, coursework advice and assistance, and geography tests. Tests include multiple choice, map reading role play simulations and automated essay marking. All tests come complete with security-checked certificate awards.
Case studies help support many GCSE Geography examination courses and are linked from several text book publishers including Nelson Thornes and Prentice Hall.
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The freshwater pond ecosystem is very common in the UK.
A freshwater pond in Wiltshire
The interactions between the living and non-living components of the ecosystem are important.
The freshwater pond ecosystem consists of the following:
- Pond bottom - there is very little oxygen or light at the bottom of the pond. Decomposers and scavengers live here where they feed on dead material, eg water worms and rat-tailed maggots.
- Mid water - fish are the main predators here. Food is found on the pond bottom or the pond surface. Animals here breathe through their skin or gills, eg stickleback fish, water fleas and dragonfly nymphs.
- Pond surface - animals here breathe through their gills, skin or lungs. There is plenty of oxygen and light here. Animals found here include ducks, water boatmen, midge larvae and tadpoles.
- Pond margin - plants provide a sheltered habitat for insects and smalls animals such as frogs. There is lots of light and oxygen so plants such as marsh marigold thrive.
- Above the pond surface - birds such as kingfishers and insects like dragonflies are common here.