The first organism that appear in a new ecosystem are called……………, Pioneers, Abiotic Factors, Ecosystem, Community, What do cows need to drink:, milk, water, soda, balance in an ecosystem mean. …………, All animals are the same size., Plants are not important., Living and nonliving interact together, Living depend on living things, When there is enough food and water, a population will:, Decrease, stay the same, Disappear, Increase, What do cows eat?, Plants, meat, insects, earthwarm, Decomposers clean nature and make soil healthy, True, False, Living things can survive without water, True, False, When resources run out, some organisms may die or move away, True, False, Secondary succession happens when there is no soil, True, False, Pioneers are the first living things in a new ecosystem, True, False, What gas do plants release that cows need?, Carbon , Iron, Nitrogen, Oxygen, If resources decrease, the number of organisms will:, Increase, Decrease, __________ clean nature and make soil healthy., Decomposers, consumer, ……….. is a change that happens in a new area where no soil or organism exists., Secondary succession, Primary succession, --------------is a change that happens when an ecosystem is disturbed., Secondary succession, Primary succession.

Chapter4 Ecosystem

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