1) If an organism is removed from an area, what will most likely happen to its predators? a) The population of predators will increase. b) The population of predators would stay the same. c) There will be new predators. d) The population would neither increase nor decrease. e) The population of predators will decrease. 2) If an organism is removed from an area, what will most likely happen to its prey? a) The prey population would stay the same. b) The prey population will decrease. c) The prey population would increase. d) The prey population would neither increase nor decrease. 3) What would most likely happen if a new town or road is built? a) nothing b) Animal and plant populations increase. Also an increase in plant growth and animal homes. c) Animal and plant populations decrease. Also a decrease in plant growth and animal homes. 4) What is one way that living organisms hurt each other? a) competing for food b) building homes c) adapting 5) If a particular plant or animal species decrease in population, what else will most likely decrease? a) habitats b) The predators of those particular plant or animal species will increase in population. c) The animals that eat those particular plant or animal species will decrease in population.

Ecosystems

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