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