4.1 - Understand the terms population, community, habitat and ecosystem. - Population: All the organisms of a particular species found in an ecosystem at any one time. - Community: The populations of all species found in a particular ecosystem at any one time. -...
4.4 - Explain the names given to different trophic levels to include producers, primary, secondary and tertiary consumers and decomposers. - Producer: Plants which photosynthesise to provide food. - Consumer: Animals that eat plants or other animals. • Primary...
4.8 - Describe the stages in the water cycle, including evaporation, transpiration, condensation and precipitation. - Evaporation: When water turns into water vapour due to heat. - Transpiration: When water evaporates from the surface of a plant. - Condensation: When...