Ecosystems Worksheet. Year 7 Science NAME: 1. Match each term with its meaning: Term Meaning Ecology Living things Ecosystem Non-living things Biotic Factors Populations of organisms living together in the same habitat Abiotic Factors Groups of organisms of the same species in the same area Population The study of how living things interact with their environment Habitat Organisation made up of living things non-living things that interact with each other Community Place where an organism lives 2. Provide two examples of each of the following: a. Abiotic Factor b. Biotic Factor 3. Provide THREE biotic and/or abiotic factors that describe each of the following ecosystems: Example: High mountain/alpine – low oxygen, low temperature, limited plant life a. Ocean b. Tropical Rainforest c. Desert 4. Order the following in terms of their complexity, from simplest to most complex: Species, Cell, Ecosystem, Community, Population