jueves, 28 de octubre de 2010
Summary 3: Food Chains and Food Webs
This topic is about food Chain and Food Web, A food Chain like this one moves the Sun's energy through a community from producers, such as plants, to consumers, such as animals, A grasshopper or mouse eats the plant. It takes in the energy is released for the plant eater to use.Some of the energy is also stored in its tissues. Some is lost as heat, ATexas horned lizard may snap up a grasshopper before a meadowlark can eat it. A bullsnake may complete with a badger for a mouse. Another organism may eat the bullsnake or badger.Food chains and food webs exist in all ecosystem.They all have producers. the producers on land include grasses, trees, and all the organisms that use the Sun ' s energy to make their own food. In the oceans the main producers are algae, Consumers get energy from the food made by other organisms. Can be grouped according to the type of food they eat. Herbivores eat producers. Herbivores in turn are eaten by carnivores, animals that eat other animals, Living things that hunt other living things for food are predator The hunted called prey. The relantionship between predators and prey are a key part of both food chains and food web.
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