Environmental Science
What is the official name of IUCN?

World Wide Fund for Nature
United Nations Environment Programme
United Nations Educational, Scientific and Cultural Organization
International Union for Conservation of Nature and Natural Resources

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Environmental Science
A food web is

The tropic (feeding) levels that can be observed in an ecosystem
Like a food chain
A set of interconnected food chains, illustrating the tropic relationships among species
The set of prey species that are consumed by animals in an ecosystem

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