What is an ecosystem?, A. Only living organisms, B. Only non-living things, C. Living organisms interacting with non-living components, D. A group of animals only, Which of the following is part of an ecosystem?, A. Only plants, B. Only animals, C. Living and non-living things, D. Only soil, Which of the following is a biotic component?, A. Water, B. Soil, C. Plants, D. Temperature, Which of the following is an abiotic component?, A. Bacteria, B. Fungi, C. Air, D. Humans, Plants depend on which abiotic factors?, A. Sunlight, water, and soil nutrients, B. Animals and bacteria, C. Humans only, D. Insects only, Animals depend on plants mainly for:, A. Temperature, B. Shelter only, C. Food, D. Soil, Which level of organization represents one single living thing?, A. Population, B. Community, C. Organism, D. Biome, A group of deer living in one forest is called a:, A. Community, B. Population, C. Ecosystem, D. Biome, Different populations living together in one area form a:, A. Biome, B. Ecosystem, C. Community, D. Biosphere, A forest including plants, animals, soil, and water is an example of a:, A. Population, B. Community, C. Ecosystem, D. Organism, A desert or rainforest is an example of a:, A. Ecosystem, B. Biome, C. Population, D. Community, The biosphere includes:, A. Only oceans, B. Only forests, C. All life on Earth, D. Only animals, Which of the following is NOT a biotic factor?, A. Humans, B. Trees, C. Temperature, D. Bacteria, Which level is the largest?, A. Community, B. Ecosystem, C. Biosphere, D. Population, Soil is classified as a:, A. Biotic factor, B. Abiotic factor, C. Population, D. Organism, A community plus non-living things forms a:, A. Population, B. Biome, C. Ecosystem, D. Organism, All the deer, birds, trees, and insects in a forest form a:, A. Population, B. Community, C. Organism, D. Biome, A biotic factor is defined as:, A. A non-living environmental factor, B. A living environmental factor, C. A climate region, D. A geographical area, Which example represents a population?, A. One tree, B. All trees and animals in a forest, C. All deer in one forest, D. A rainforest, Interaction between living and non-living things helps to:, A. Destroy ecosystems, B. Maintain balance in nature, C. Stop reproduction, D. Reduce biodiversity.

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