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What is an energy pyramid?

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An energy pyramid is a graphical representation of the energy flow in an ecosystem, showing the energy available at each trophic level. Typically, only about 10% of the energy is transferred from one level to the next, with the rest lost as heat or used by organisms.

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What percentage of energy is typically lost at each trophic level in an energy pyramid?

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90% of energy is typically lost at each trophic level in an energy pyramid.

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What is a primary consumer?

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A primary consumer is an organism that eats producers (plants) to obtain energy. Examples include herbivores like rabbits and deer.

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What is a secondary consumer?

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A secondary consumer is an organism that eats primary consumers. Examples include carnivores like snakes and some birds.

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What is a tertiary consumer?

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A tertiary consumer is an organism that eats secondary consumers. They are often top predators in an ecosystem.

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What is a producer?

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A producer is an organism that can make its own food through photosynthesis or chemosynthesis, such as plants and algae.

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What is a food web?

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A food web is a complex network of feeding relationships among various organisms in an ecosystem, showing how energy and nutrients flow through the system.

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What is a trophic cascade?

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A trophic cascade is an ecological phenomenon triggered by the addition or removal of top predators, which can lead to dramatic changes in ecosystem structure and nutrient cycling.

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What is a density-independent limiting factor?

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A density-independent limiting factor is a factor that affects population size regardless of the population's density, such as natural disasters or pollution.

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What is a density-dependent limiting factor?

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A density-dependent limiting factor is a factor that affects population size based on the population's density, such as competition for resources, predation, and disease.