How Ecosystem Work

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If an insect eats a plant and a bird eats the insect, about how much energy from the plant is stored in the insect for the bird to use?

Nitrogen-fixing bacteria convert atmospheric nitrogen into

The process of breaking down food to yield energy is called

Gas makes up our atmosphere but can be used by plants only when transformed by bacteria first

Most of the Earth's carbon is secured in

Excessive algae growth in freshwater ecosystems is a direct result of

Describe the relationship between photosynthesis and cellular respiration

Which organisms are most likely to arise in areas experiencing primary succession?