1) WHAT IS AN ECOSYSTEM? a) An ecosystem is a place with animals.  b) An ecosystem is made up of all the living and nonliving things that interact in an area. c) The moon and the sun. 2) Which are the components of an ecosystem? a) Living things and the food. b) Living things and the environment. c) The animals and their food. 3) What are living things?  a) Only plants who live in the ecosystem. b) The animals living in the ecosystem. c) All the plants and animals living in the ecosystem.  4) We can classify ecosystems in two main groups... a) Terrestrial ecosystems and moon ecosystems. b) Aquatic ecosystems and fire ecosystems. c) Terrestrial ecosystems and aquatic ecosystems. 5) We can classify terrestrial ecosystems into... a) Forests, deserts and grasslands.  b) Deserts and forests. c) Sea, deserts and grasslands.  6) We can classify aquatic ecosystems into... a) Seawater, freshwater, saltwater. b) Freshwater,saltwater. c) All kinds of waters.

Ecosystems.

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