Relier Pairs LRMS Environmental changesVersion en ligne A review for objectvie LS 8 par Lynanne C. Wyatt 1 What would cause a species to move? 2 Hibernation, migration and dormancy are all methods of animals 3 If a species could no longer find food, what would it most likely do? 4 What is the effect of excessive use of nitrogen based fertlizers that run off into ponds and lakes? 5 Phototroptism 6 An external stimuls that causes a plant to bend towards it 7 Nocturnal 8 Eutrophication 9 What is the result if there is an overpopluation of bacteria caused by an algae bloom? 10 In an aquatic ecosystem, if the water level dropped due to drought, which aquatic population of animals would be most affected 11 If squirrels are the primary food source for hawks in an area and due to a drought the squirrels left the area. What result would most likely happen to the hawks? 12 How are dormancy and hibernation similar? 13 Benefits of hibernation there is a reduction in oxygen levels Metabolic rate and body temperature both decrease Environmental conditions have changed fish When a pond/lake is covered with algae and oxygen levels drop. The hawks would follow the squirrels to a different area move to a new area to find food it reduces the need an animals has for food when resources are limited a light source It increases the rate of algae growth animals that are active at night and sleep during the day adapting to changes in the environment causes a responding plant to grow in the direction of light
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