Environmental Science S1-2024 Review

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What is a regulating service in an ecosystem?

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A regulating service is a benefit provided by ecosystems that helps to regulate environmental conditions, such as climate regulation, water purification, and flood control.

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What are the different types of ecosystem services?

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Ecosystem services are categorized into four types: provisioning (products obtained from ecosystems), regulating (benefits obtained from regulation of ecosystem processes), cultural (non-material benefits), and supporting (services that are necessary for the production of all other ecosystem services).

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What is the ecological level of organization from smallest to largest?

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The ecological levels of organization from smallest to largest are: individual, population, community, ecosystem, biome.

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What is the significance of wetlands in urban areas?

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Wetlands play a crucial role in urban areas by absorbing excess water, thus preventing flooding and maintaining water quality.

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What are environmental regulations?

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Environmental regulations are rules set by governments to control the amount of pollution and protect natural resources.

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What does a declining population pyramid indicate?

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A declining population pyramid indicates that the population is decreasing, often characterized by a smaller base and larger top.

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What is an example of a cultural service provided by ecosystems?

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An example of a cultural service is recreational activities such as hiking, bird watching, and nature tourism.

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What is the role of microbial organisms in marine ecosystems?

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Microbial organisms in marine ecosystems help break down organic waste into less harmful components, contributing to nutrient cycling.

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What is the difference between provisioning and supporting services?

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Provisioning services provide tangible products like food and water, while supporting services are necessary for the production of all other ecosystem services, such as soil formation and nutrient cycling.

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What is cap-and-trade policy?

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Cap-and-trade is an environmental policy that limits total greenhouse gas emissions and allows industries with low emissions to sell their extra allowances to larger emitters.