5.2: How Ecosystems Work 0.0 / 5 ? BiologyEcology, ecosystems and environmental biologyA2/A-levelEdexcel Created by: Shauna CorriganCreated on: 21-10-13 16:21 4372615 Across 1. This type of succession occurs when an empty inorganic surface turns into vegetation. (7, 10) 5. This type of factor is focused on the soil (7) 7. Light, temperature and wind and water currents are this type of factor (7) Down 2. Occurs when two organisms contend for the same resource that is often limiting. (11) 3. This type of succession occurs when a fire or a flood previously wiped out all vegetation present (9, 10) 4. The energy used to make new animal biomass is known as (9, 10) 6. This is a word for a life supporting environment. It consists of a network of habitats and communities of organisms associated with them (7)
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