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The Temperate Deciduous Forest
Transcript of The Temperate Deciduous Forest
Producers, like ferns and shrubs, take in carbon dioxide gas during photosynthesis and use the carbon to make carbon-containing food molecules such as sugars and starches. When consumers, such as elks and birds, eat producers, they take in the carbon-containing molecules. When they break down the sugars to get energy, they give off carbon dioxide and water as waste. When producers and consumers die, decomposers, like fungi, bacteria and worms, break down their remains and carbon returns to the soil.
Nitrogen starts in the air as nitrogen gas. Nitrogen gas is the most common form of nitrogen on the planet but only few bacteria can use it at this state. They convert the nitrogen gas into ammonia during nitrogen fixation. Other bacteria in the soil convert ammonia into nitrates. Producers then use them to make proteins, and the consumers eat the producers and use that nitrogen agian to make other proteins. After the consumers die, decomposers put the nitrogen to the soil, but as ammonia. The ammonia is agian used by producers and the other soil bacteria convert nitrates back into nitrogen gas during denitrification; denitrification completes and starts over the nitrogen cycle.
By: Eenaya Majed
Eastern half of the USA
Middle of Europe
Middle East coast of Paraguay
annual temperature: 50° F
average rainfall: 30 to 60 inches a year.
Main characteristics include: wide leaves, large and tall trees and non seasonal vegetation.
The oxygen cycle is fairly simple. Producers take in water and carbon-dioxide and give of the oxygen. Humans and animals the take in the oxygen and give off carbon-dioxide which is later used by the producers again. This cycle is a good example of a mutualistic relationship.