Food Chain In The Forest Ecosystem

Páginas: 3 (668 palabras) Publicado: 12 de marzo de 2013
Food chain in the forest ecosystem
A food chain describes the path of energy and nutrients from the non-living environment, through the living environment, and back to the non-living environmentAt the base of the food chain are the building blocks of the ecosystem: air, water, soil, and energy from the sun Plants that use these things to grow and to make their own food are called producers.Producers in the boreal forest and tundra include plants, lichens, algae, and some bacteria.
All organisms other than producers are called consumers because they obtain energy and nutrients byeating, or consuming, other living things. There are four major groups of consumers: herbivores, carnivores, omnivores, and detritivores. Animals that eat plants are called herbivores Willows (producers)are eaten by snowshoe hares (herbivores). Animals that eat meat are called carnivores. An herbivore can be prey for a carnivore. For example, a snowshoe hare (herbivore) may be eaten by a lynx(carnivore) Animals that have few or no predators are consumers found at the top of the food chain. Omnivores eat both plants and animals. Bears are a good example of an omnivore, feeding on mammals, berries,and fish.
There is no "waste" in nature. Every plant or animal that dies is decomposed and returned to the soil Detritivores are consumers that eat dead organisms and waste material. They breakdown, or decompose, dead plant and animal material, returning the nutrients to the soil where they are available again for plant growth. Without detritivores, producers would soon run out of the mineralsand nutrients that they need to make their food. Detritivores include some large animals, such as ravens; however, the most important detritivores are invertebrates (such as insects), fungi (such asmushrooms), and microscopic organisms (such as bacteria).
The food chain in an ecosystem is like the domino effect. What is the Domino Effect? Like the game of dominoes, when one domino falls all...
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