Environmental Concerns — Flashcards

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Environment refers to the biotic and abiotic surroundings with which living organisms interact. It includes air, water, soil, living organisms, and energy.

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The two components are: (i) Abiotic components – air, water, soil, energy, radiation; (ii) Biotic components – microbes, plants, animals.

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Examples of biotic components: bacteria, algae, and plants.

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The four segments are: (i) Biosphere, (ii) Atmosphere, (iii) Hydrosphere, (iv) Lithosphere.

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The biosphere is the part of Earth where organisms can survive and reproduce. It involves a delicate balance between living organisms and their environment.

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Atmosphere is the thin layer of gases surrounding Earth, containing oxygen and water vapor essential for life.

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Hydrosphere includes all water resources on Earth such as oceans, rivers, lakes, glaciers, groundwater, etc. Life cannot exist without it.

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Lithosphere is the solid outer layer of Earth containing minerals, metals, rocks, and soil that support life.