67%(9)6 out of 9 people found this document helpful
This preview shows page 1 - 2 out of 4 pages.
Name: ______________________________________Date: ________________________Student Exploration: Prairie EcosystemVocabulary:carnivore, consumer, ecosystem, equilibrium, extinct, food chain, herbivore, organism, population, prairie, producerPrior Knowledge Questions (Do these BEFORE using the Gizmo.)An ecosystem consists of all organisms(living things) in an area, plus the natural landscape.A prairieis flat or gently rolling grassland with few trees, such as in parts of central United States and Canada.Organisms often found in a prairie ecosystem include prairie dogs, swift foxes, black-footed ferrets, and of course the grass itself.1.Which organism (grass, prairie dog, ferret, or fox) do you think is a producer(does not depend on other organisms for its food)? ___________________2.Organisms that depend on other organisms for food are consumers. Which consumer you think is a herbivore(eats plants only)? Prairie Dog3.Which consumers are carnivores(eat meat)? __Swift Fox__ and __Black-footed ferret__Gizmo Warm-up: Life on the Prairie1.The population of prairie dogs is all the prairie dogs living in the village. In the Gizmo, what are the starting numbers ofGrass: 4,000 TonsPrairie dogs: 25,000Ferrets: 80Foxes: 102.Click Advance year10 times. On the DATA tab, look at the Bar graphand the Line graph. Do the populations change very much, or are they in equilibrium(stable)? Explain.