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Andrey11jr
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17,19 думаю сделаете​

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юля2738
юля2738
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1)  an ecosystem consists of groups of living things, and the environment in which they live.2) yes, they are3)  ecosystems are made up of several different populations.  4)  a population is a group of the same species of plant or animal living together in the same place and time.  5)  plant and animal populations interact with each other in many different ways. animals tend to use plants for food and shelter. animals carry seeds from place to place, and help to fertilize the soil.6)  a community is made up of all the populations found in a specific area.7)  food webs and food chains illustrate the ways that plants and animals interact within ecosystems.  8) a  food chain is comprised or made up of three basic parts.9)  there are many different types of ecosystems. ecosystems can be found in tropical rain forests, saltwater marshes, coral reefs, kelp forests, and deep in the ocean.  10)  pollution, rapid deforestation, natural disasters, and slow environmental changes over time can all threaten the health of our earth's ecosystems

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