Food Chains, Webs, and Pyramids

Front

What is a food chain?

Back

A food chain is a linear sequence that shows how energy and nutrients flow from one organism to another in an ecosystem, starting from producers to various levels of consumers.

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What is a food web?

Back

A food web is a complex network of interconnected food chains that illustrates how different organisms in an ecosystem are related through feeding relationships.

Front

What is an energy pyramid?

Back

An energy pyramid is a graphical representation that shows the distribution of energy among trophic levels in an ecosystem, with producers at the base and top predators at the apex.

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What is an autotroph?

Back

An autotroph is an organism that can produce its own food through processes like photosynthesis or chemosynthesis, such as plants and some bacteria.

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What is a herbivore?

Back

A herbivore is an organism that primarily eats plants, such as cows, rabbits, and grasshoppers.

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What is a carnivore?

Back

A carnivore is an organism that primarily eats other animals, such as lions, hawks, and sharks.

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What is an omnivore?

Back

An omnivore is an organism that eats both plants and animals, such as humans, bears, and pigs.

Front

What do the arrows in a food web represent?

Back

The arrows in a food web represent the direction of energy flow, indicating who gets energy from whom.

Front

Which organism receives the least amount of energy from the producer?

Back

The organism at the top of the food chain, such as an owl, receives the least amount of energy.

Front

What is the primary source of energy for most ecosystems?

Back

The primary source of energy for most ecosystems is the sun, which provides energy for photosynthesis.