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