1) What is an ecosystem? a) A community with living things b) A community with living and non-living things c) A community with non living things 2) What are the non-living things of an ecosystem? a) Light and plants b) Plants and animals c) Light, water, soil, air 3) What are the two main types of ecosystems? a) Forest and aquatic b) Terrestrial and aquatic c) Desert and terrestrial 4) Who is part of the food chain? a) Carnivores and vegetables b) Producers, consumers and decomposers 5) Which of this is a producer? a) Elephant b) Pine c) Whale 6) Which of this is a first order consumer? a) Wolf b) Sheep c) Tree 7) Which of this is a second order consumer? a) Lion b) Cow c) Olive tree 8) Which of this is a decomposer? a) Mushroom b) Moss 9) What is an ecosystem in balance? a) means that the number of individuals is growing b) means that there is a right relationship between natural ecosystem and artificial ecosystem c) means that there is a right relationship between all the elements of the ecosystem 10) What happens if we remove or modify an element of an ecosystem? a) The balance is broken b) The balance is restored without problems c) the balance does not change 11) In an ecosystem, dead leaves and animals are transformed into: a) Soil b) In nothing, it is not used c) Plant nutrition 12) Plants are called producers because: a) Produce oxygen b) They make their own food c) They produce environmental benefits 13) Animals and plants go extinct because: a) because they get sick b) because they do not adapt to the changing environment c) because sooner or later everyone dies 14) What is estivation? a) It's an adaptation of living things b) Is an ecosystem type 15) Which is the ecosystem of Sith the sloth? a) Rainforest ecosystem b) Desert c) The sea 16) Which is the ecosystem of Lizzie the Lizard? a) The Sahara desert b) The ocean 17) How is the desert? a) Very cold b) With a lot of water  c) Hot and dry 18) Which is the ecosystem of Tulip the turtle? a) The forest b) The Pacific Ocean c) The soil 19) Why is the turtle sometimes sad? a) Because it feels lonely b) Because it often swims among the plastic c) Because sometimes it can't find food 20) Which is the ecosystem of Frank the frog? a) The swamp b) The desert 21) Why is the polar bear at risk of extinction? a) For the cold temperature b) For global warming c) Because he can't find food

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