Our Environment

Front

What is ozone depletion?

Back

Ozone depletion refers to the reduction of the ozone layer in the Earth's stratosphere caused by pollutants, particularly chlorofluorocarbons (CFCs).

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Are food chains and food webs the same?

Back

False. Food chains are linear sequences of organisms, while food webs are complex networks of interconnected food chains.

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What is recycling?

Back

Recycling is the process of collecting and processing materials that would otherwise be thrown away as trash and turning them into new products.

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What is biodegradable waste?

Back

Biodegradable waste is organic waste that can be broken down by natural processes, such as food scraps and yard waste.

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What is an artificial ecosystem?

Back

An artificial ecosystem is a human-made environment that supports life, such as crop fields, aquariums, or urban parks.

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What is non-biodegradable waste?

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Non-biodegradable waste refers to materials that cannot be broken down by natural processes, such as plastics and metals.

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What role do producers play in an ecosystem?

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Producers, such as plants, convert sunlight into energy through photosynthesis, forming the base of the food chain.

Front

What is the significance of the ozone layer?

Back

The ozone layer protects the Earth from harmful ultraviolet (UV) radiation from the sun.

Front

What is composting?

Back

Composting is the process of recycling organic waste into a rich soil amendment through natural decomposition.

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What are trophic levels?

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Trophic levels are the hierarchical levels in an ecosystem, comprising producers, primary consumers, secondary consumers, and decomposers.