1. What is an ecosystem?, A type of animal, A community of living and non-living things interacting, Only plants, Which of the following is a biotic factor?, Sunlight, Soil, Tree, Which is an abiotic factor?, Dog, Grass, Water, Bird, What do producers do?, Eat animals, Make their own food, Decompose waste, Hunt prey, Example of a consumer, Plant, Algae, Lion, Grass, What is the role of decomposers?, Produce food, Eat plants, Break down dead organisms, Give sunlight, Which is a terrestrial ecosystem?, Ocean, River, Forest, Lake, Which is an aquatic ecosystem?, Desert, Grassland, Mountain, Pond, What is a food chain?, A cycle of water, . A sequence of who eats whom, A type of plant, What happens if one part of an ecosystem is disturbed?, Nothing changes, Only plants are affected, The whole ecosystem can be affected.

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