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Move Over Rover Activity Background: Ecosystem diversity is affected by many influences, such as climate and the level of human disturbance. Animal diversity is generally higher where there is a mild climate and an abundance of food and cover, or where ecosystems overlap. New ecosystems and ecosystems that are harsh tend to have relatively few species because not many species are adapted to the extreme conditions. The most fundamental of life’s necessities for any animal are food, water, and space in a suitable arrangement. Without these essential components, animals cannot survive. Most animals’ requirements for food, shelter, and nesting and breeding sites are often tailored to their ecosystems. However, different kinds of animals respond differently to environmental variables. Consequently, few animals fit neatly into a single ecosystem. Some animals reside in certain ecosystems year-round, while others migrate to different altitudes or latitudes seasonally. Still other species move among ecosystems on a time scale of days to weeks, using one area for feeding and another for reproduction. Objective: 1) List factors that influence the distribution of animals in ecosystems, and 2) generalize that each ecosystem has characteristic animals adapted to live there. Procedure: 1) Divide the biome labels. Each person on the team should research a biome (or 2) and write a brief explanation on card provided. 2) Take the animal cards and divide the stack amongst the team members. 3) Team members should place their animal cards under the appropriate biome label. 4) As the cards are placed team members should peer review placements of cards at their team’s table. If it is suspected a card has been misplaced, the player should call out “move over rover” indicating a shift in the card placement needs to happen. 5) Once time is called, no further card changes can happen. The correct placements will be reviewed. The team having the most correct animal cards wins. 6) Each team member should answer the evaluation questions. Evaluation: 1) Has each animal been placed in its proper ecosystem? If not, why? 2) Were there any animals that could be placed in more than one ecosystem? 3) How can some animals live in more than one ecosystem, and why can’t others? 4) What are the similarities and differences between animals that live in one of the ecosystems? 5) Which ecosystems had the greatest diversity of animals? What characteristics of these ecosystems were supportive of a higher diversity? 6) What factors influence the distribution of animals among ecosystems?