Environmental management — Flashcards

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Environment is the broad set of physical, chemical, and biological factors that affect living organisms in any possible way. It includes natural as well as artificial surroundings.

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Ecology is the science that studies interactions between biotic and abiotic factors of the environment. The basic unit used to study ecology is the ecosystem.

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An ecosystem is a definite geographical area where living organisms and non-living factors interact with one another. It includes plants, animals, microbes, air, water, soil, and climate factors.

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The two main components are biotic factors and abiotic factors. Biotic factors are living things such as plants, animals, and microbes. Abiotic factors are non-living things such as air, water, soil, …

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They help clean the environment by breaking down dead matter and waste. This keeps nutrients cycling in nature and prevents the accumulation of waste.

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The bird can be part of both ecosystems because it uses the tree for nesting and the pond for food. Living organisms often depend on more than one ecosystem at the same time.

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A food chain is a single pathway of energy transfer from one organism to another. A food web is a network of many interconnected food chains, so it shows more feeding relationships in nature.

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The number of grasshoppers will increase because frogs eat them. Snake numbers may decline because frogs are their food. The paddy crop may suffer more damage because grasshoppers will increase.