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- 2012039639 contributor B12472750.
- 2012039639 date "2014".
- 2012039639 description "What is an ecosystem? -- What organisms form an ecosystem? -- How many organisms are there? -- Why is biodiversity important? -- What are the basic needs for survival? -- Where on earth do organisms live? -- How big are ecosystems? -- What is a suitable environment? -- How does a balanced ecosystem work? -- What happens when an ecosystem changes? -- What is a food chain? -- What is a population cycle? -- What is a keystone species? -- How long can a species survive? -- Can endangered species be saved? -- What impact do humans have on nature? -- What is ecotourism? -- Are national parks for wildlife or people? -- How does human activity affect the environment? -- What is a rain forest without rain? -- Eco-careers -- Young scientists at work -- Take an eco-survey.".
- 2012039639 extent "pages cm.".
- 2012039639 identifier "9781621274131 (hardcover : alk. paper)".
- 2012039639 identifier "9781621274193 (pbk. : alk. paper)".
- 2012039639 isPartOf "Science discovery".
- 2012039639 issued "2014".
- 2012039639 language "eng".
- 2012039639 subject "577.8/2 23".
- 2012039639 subject "Biotic communities Juvenile literature.".
- 2012039639 subject "Ecology Juvenile literature.".
- 2012039639 subject "QH541.14 .R529 2014".
- 2012039639 tableOfContents "What is an ecosystem? -- What organisms form an ecosystem? -- How many organisms are there? -- Why is biodiversity important? -- What are the basic needs for survival? -- Where on earth do organisms live? -- How big are ecosystems? -- What is a suitable environment? -- How does a balanced ecosystem work? -- What happens when an ecosystem changes? -- What is a food chain? -- What is a population cycle? -- What is a keystone species? -- How long can a species survive? -- Can endangered species be saved? -- What impact do humans have on nature? -- What is ecotourism? -- Are national parks for wildlife or people? -- How does human activity affect the environment? -- What is a rain forest without rain? -- Eco-careers -- Young scientists at work -- Take an eco-survey.".
- 2012039639 title "Ecosystems Q&A / Gillian Richardson.".
- 2012039639 type "text".