A brown, soil-like material that can be used as a fuel
Type of organism that feeds on the remains of dead plants and animals
Non-living factors of the environment (e.g. temperature)
Living factors of the environment (e.g. plants for food)
Type of pollution that includes smoke and acidic gases
Fuel derived from crops, plants, or living matter
The place where an organism lives
Process carried out by plants that removes carbon dioxide from the air
Changing rainfall patterns, extreme temperatures, frequent droughts and/or storms
Populations of different species living in a habitat
The gradual heating up of the earth because of increasing levels of greenhouse gases
Breeding programs, protecting rare habitats, reintroducing hedgerows, recycling
Metal square used in sampling
Variety of different species of organisms on Earth
Type of organism that makes their own food using energy from the Sun
Processes that go on inside an organism's body (e.g. lower metabolism in hibernation) that gives an organism an advantage in its natural environment
Features of an organism's body structure (e.g. shape, colour) that gives an organism an advantage in its natural environment
Type of pollution that includes sewage and toxic chemicals like fertilisers, pesticides, and herbicides