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Pag 101
ecosystem changesslow changesrapid changeshuman interactionswith ecosystems pag101what is conservation?we need to conseve our resource to protect ecosystems and meet our needs in thefuturewrite the letter of the best answer on the lines.1 what do ecosystems provide for us?_____________a) wood for furniture and paperb) land for homes and growing foodc) water for drinking and bathingd)all of them2 the careful management and wise use of natural resources is called_____a) reclamationb) conservationc) preservationd) communication3 three ways of reducing trash are to recyclematerials_____a)pick up litter off the street, and reuse thingsb)buy products that have less packaging, and pick up litter of the streetc)reuse things,and buy products that have less packaging4what doesrecycling involve?_____a)lining trash cans with old shopping bagsb) processing unused materalsc)processing used materials5 when people protect an ecosystem from change by putting limits on its use, theecosystem is being_____a)conservedb) preservedc) replenishedd) eroded6 one thing people CANNOT do when they set aside and area as national park is to ____a) stop people from changing other ecosystemsb)limit where people go and how people use the parkc)help protect unusual landscapesPag 102write the definition of each of the vocabulary terms,and give three examples of each1 conservationDefinition:careful and wise use of natural resorseexaples: clutting down cunter use, reusing 2 preservationDefinition: protection of an areaexample: nation park3 reclamation Definition: repairing someoneof thedamage done to and ecosytemexaples: replaning trees4successionDef: process of gradual change in ecosystemexample: aproved becomes a marsh | -------------------------------------------------Principio del formulariocambios en los ecosistemas

cambios lentos
rápidos cambios

las interacciones humanas
con los ecosistemas

pag101
¿cuál es la conservación?
tenemos que conseve nuestro...