food chain

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Diatoms and other phytoplankton form the foundations of ocean food chains. Shrimplike krill consume the phytoplankton, and small fishes eat the krill. At the top of the food chain, dining on these smaller fishes, are larger, predatory fishes.

terrestrial food chain

What role do spiders play in the food chain?

Algae, primarily diatoms, dinoflagellates, and coccolithophorids, which are often collectively called phytoplankton, are the base of the food chain for all marine organisms.

How an ecosystem works

Take an in-depth look at the variety of plankton, from diatoms and microflagellates to jellyfish

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food chain: Media

ecology

Videos

What role do spiders play in the food chain?

What role do spiders play in the food chain?

Learn about the role spiders play as predators in the food chain.

Video: Encyclopædia Britannica, Inc.

How an ecosystem works

How an ecosystem works

Explore the different types of organisms that form a forest ecosystem in this video.

Video: Encyclopædia Britannica, Inc.

Take an in-depth look at the variety of plankton, from diatoms and microflagellates to jellyfish

Take an in-depth look at the variety of plankton, from diatoms and microflagellates to jellyfish

Learn about plankton, microscopic life-forms that drift in ocean currents and form...

Video: Encyclopædia Britannica, Inc.

Images

Diatoms and other phytoplankton form the foundations of ocean food chains. Shrimplike krill consume the phytoplankton, and small fishes eat the krill. At the top of the food chain, dining on these smaller fishes, are larger, predatory fishes.

Diatoms and other phytoplankton form the foundations of ocean food chains. Shrimplike...

Encyclopædia Britannica, Inc.

terrestrial food chain

terrestrial food chain

The terrestrial food chain featuring producers, consumers, and decomposers.

Encyclopædia Britannica, Inc.

Algae, primarily diatoms, dinoflagellates, and coccolithophorids, which are often collectively called phytoplankton, are the base of the food chain for all marine organisms.

Algae, primarily diatoms, dinoflagellates, and coccolithophorids, which are often...

Encyclopædia Britannica, Inc.

energy pyramid

energy pyramid

An energy pyramid is a model that shows the flow of energy from one trophic level...

Encyclopædia Britannica, Inc.