Michigan Test for Teacher Certification (MTTC) Secondary Integrated Science Practice test

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Prepare for the Michigan Test for Teacher Certification (MTTC) Secondary Integrated Science Exam. Study with comprehensive review questions and detailed explanations. Maximize your success!

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Which component of an ecosystem can be classified as abiotic?

Humans
Animals
Plants
Water

The correct answer is: Water

In an ecosystem, abiotic components refer to the non-living physical and chemical elements that influence the environment and the living organisms within it. Water serves as a crucial abiotic factor because it is essential for the survival of all living organisms. It participates in various biological processes, including photosynthesis in plants and metabolic processes in animals. Its presence and availability can greatly impact the distribution and behavior of species within an ecosystem. On the other hand, humans, animals, and plants are all classified as biotic components, which are the living parts of an ecosystem. These biotic components interact with each other and depend on the abiotic factors such as water, sunlight, soil, and temperature for survival and growth. Therefore, water is clearly identified as an abiotic component in this context.