Go to the Quizzes Page Changing Ecosystems 0% 842 Created by AbuBakrShalabi Please write your name and email to receive your certificate. 1 / 20 Which of the following would count as a disruption to an ecosystem? Natural disaster Change in temperature Invasive species All of the Above 2 / 20 What happens when humans cut down forests to build shopping malls? Habitat is altered, plants and animals destroyed, and pollution increases. New animals species form and plants produce more oxygen. The shopping mall reduces the amount of pollution in the area. Plants and animals thrive in the new environment and pollution decreases. 3 / 20 Which of the following statements about ecological succession are TRUE? Ecological succession only occurs in water ecosystems. Ecological succession takes place in both land and water ecosystems. Ecological succession is a process of quick changes in ecosystems. Ecological succession in an ecosystem takes place slowly over time. 4 / 20 Any species that occurs outside its native range as a result of deliberate or accidental introduction by humans. Keystone species Invasive species Non native species Native species 5 / 20 As you remove resources from an ecosystem, what happens to the population of an organism? It increases then decreases It stays the same It decreases It increases 6 / 20 Humans extract resources from nature such as coal, oil, and water.What are some likely problems caused by resource extraction? increased availability to energy resources loss of habitats increasing amounts of pollution improved air and water quality 7 / 20 The Final stage of ecological succession is... Mature Tree Growth Pioneer Community Climax Community 8 / 20 What type of succession does the image show? Secondary Succession Ecosystem Succession Primary Succession Aquatic Succession 9 / 20 Why do the populations of invasive species grow so quickly? They are prey to many animals. Invasive species have no natural predators. They have no food in their new ecosystem. 10 / 20 Pollution can cause harm to the ___________. all of the above air water land 11 / 20 What does the term dynamic equilibrium mean? An overall balance between the different parts of an ecosystem although the parts constantly change. A balanced ecosystem that stays the same without any changes. An unbalanced ecosystem in which the parts constantly change. A changing ecosystem that cannot be balanced because of change. 12 / 20 What type of succession is shown in the image? Community Succession Aquatic Succession Primary Succession Secondary Succession 13 / 20 Which of the following are ways humans can cause the loss of biodiversity within an ecosystem? Over-fishing / Over-hunting Pollution All of the Above Habitat destruction 14 / 20 The sea lamprey is a risk to native fish because: It is ruining beaches. The lamprey causes no risk to native fish. It attaches to the body and sucks the blood from the fish. It eats the alage the fish need. 15 / 20 Kudzu has overgrown many parts of the southern and eastern US and native ground plants have disappeared from the area. This is an example of: Competition occurring between the native and invasive species Parasitism between kudzu and the native plants A predator prey relationship between ground plants and kudzu Commesalism occurring between the kudzo and native plants 16 / 20 An organism that establishes itself outside of its natural range and begins to harm the environment. Extinct species Keystone species Invasive species Non native species 17 / 20 What is the difference between primary and secondary succession? Primary succession already has soil. soil is present in both primary has no soil and secondary has soil Primary has soil and secondary does not 18 / 20 What is the original cause of eutrophication? Too many herbivores Too much oxygen Too many predators Excess fertilizer 19 / 20 A climax community is …. the beginning of a new ecological succession. an area that reaches its greatest growing potential. the fire that will cause destruction. the rocks in a new environment. 20 / 20 Why does primary succession take longer to reach climax community? Because primary succession does not have soil Because climax community is in a forrest. Because trees do not perform photosyntheses. Because primary succession already has soil Your score is 0% Restart quiz Go to the Quizzes Page