The ____ is a source of energy that passes through ecosystems. * Materials including ____ and water are continually recycled by the living world, being released through ____ of animals, plants and decomposing microorganisms and taken up by plants in ____. * All species live in ____ composed of complex communities of animals and plants dependent on each other and that are ____ to particular conditions, both ____ and biotic. These ecosystems provide essential services that support human life and continued development. * In order to continue to benefit from these services humans need to engage with the environment in a sustainable way. Humans are threatening ____ as well as the natural systems that support it, we need to take actions to ensure our future ____, prosperity and well-being.

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