Scientists are trying to investigate what will happen in a forest if wolves are removed from it. They have already collected information on the number of caribou, trees and coyotes living in the area before the wolves were removed. What should they do next to study the effects that the removal of wolves will have on the forest ecosystem? (AKS 6D DOK 2) Question 8 options: Scientists should tag the wolves they removed from the forest and collect information on how their population changes in a new location. Scientists should collect data on the other predators that remain in the forest ecosystem and count how many caribou they are able to catch. Scientists should count the number of wolves that remain in the ecosystem. Scientists should let several years pass and then return to count the number of caribou, trees and coyotes which remain.
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Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.
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Scientists are trying to investigate what will happen in a forest if wolves are removed from it. The...
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