Aquatic Ecology - Test

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What are producers in an ecosystem?

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Producers are organisms that can make their own food through photosynthesis or chemosynthesis, forming the base of the food chain.

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What is the role of consumers in an ecosystem?

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Consumers are organisms that obtain energy by eating other organisms, including plants (herbivores) and animals (carnivores and omnivores).

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What are decomposers and their function in an ecosystem?

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Decomposers are organisms, such as bacteria and fungi, that break down dead organic matter, recycling nutrients back into the ecosystem.

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What is an energy pyramid?

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An energy pyramid is a graphical representation showing the flow of energy at different trophic levels in an ecosystem, illustrating energy, biomass, and population numbers.

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What is biodiversity?

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Biodiversity refers to the variety of life in a particular habitat or ecosystem, including the number of species, genetic diversity, and ecosystem diversity.

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How do invasive species affect ecosystems?

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Invasive species can disrupt local ecosystems by outcompeting native species for resources, leading to a decrease in biodiversity.

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What is ocean dumping?

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Ocean dumping is the disposal of waste materials into the ocean, which can lead to pollution and harm marine life.

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What is the Great Pacific Garbage Patch?

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The Great Pacific Garbage Patch is a large area in the Pacific Ocean where plastic debris accumulates, posing threats to marine life.

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What are the effects of plastic pollution on marine life?

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Plastic pollution can cause entanglement, ingestion of plastic by marine animals, and disruption of marine ecosystems.

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What is nutrient cycling?

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Nutrient cycling is the process by which nutrients are exchanged between the living and non-living components of an ecosystem.