Go to the Quizzes Page Changing Ecosystems 0% 840 Created by AbuBakrShalabi Please write your name and email to receive your certificate. 1 / 20 The Final stage of ecological succession is... Mature Tree Growth Pioneer Community Climax Community 2 / 20 What is the original cause of eutrophication? Too many herbivores Excess fertilizer Too many predators Too much oxygen 3 / 20 What type of succession is shown in the image? Community Succession Secondary Succession Primary Succession Aquatic Succession 4 / 20 What happens when humans cut down forests to build shopping malls? Plants and animals thrive in the new environment and pollution decreases. Habitat is altered, plants and animals destroyed, and pollution increases. The shopping mall reduces the amount of pollution in the area. New animals species form and plants produce more oxygen. 5 / 20 Which of the following are ways humans can cause the loss of biodiversity within an ecosystem? Pollution Over-fishing / Over-hunting Habitat destruction All of the Above 6 / 20 As you remove resources from an ecosystem, what happens to the population of an organism? It increases It stays the same It increases then decreases It decreases 7 / 20 What is the difference between primary and secondary succession? Primary has soil and secondary does not primary has no soil and secondary has soil Primary succession already has soil. soil is present in both 8 / 20 Which of the following statements about ecological succession are TRUE? Ecological succession only occurs in water ecosystems. Ecological succession is a process of quick changes in ecosystems. Ecological succession in an ecosystem takes place slowly over time. Ecological succession takes place in both land and water ecosystems. 9 / 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: Parasitism between kudzu and the native plants Commesalism occurring between the kudzo and native plants Competition occurring between the native and invasive species A predator prey relationship between ground plants and kudzu 10 / 20 An organism that establishes itself outside of its natural range and begins to harm the environment. Keystone species Non native species Extinct species Invasive species 11 / 20 A climax community is …. the fire that will cause destruction. the beginning of a new ecological succession. an area that reaches its greatest growing potential. the rocks in a new environment. 12 / 20 Any species that occurs outside its native range as a result of deliberate or accidental introduction by humans. Native species Keystone species Non native species Invasive species 13 / 20 What type of succession does the image show? Secondary Succession Aquatic Succession Ecosystem Succession Primary Succession 14 / 20 What does the term dynamic equilibrium mean? A balanced ecosystem that stays the same without any changes. An overall balance between the different parts of an ecosystem although the parts constantly change. An unbalanced ecosystem in which the parts constantly change. A changing ecosystem that cannot be balanced because of change. 15 / 20 Which of the following would count as a disruption to an ecosystem? All of the Above Natural disaster Invasive species Change in temperature 16 / 20 Why does primary succession take longer to reach climax community? Because primary succession does not have soil Because primary succession already has soil Because trees do not perform photosyntheses. Because climax community is in a forrest. 17 / 20 Pollution can cause harm to the ___________. water all of the above land air 18 / 20 Why do the populations of invasive species grow so quickly? Invasive species have no natural predators. They are prey to many animals. They have no food in their new ecosystem. 19 / 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 improved air and water quality increasing amounts of pollution 20 / 20 The sea lamprey is a risk to native fish because: The lamprey causes no risk to native fish. It is ruining beaches. It attaches to the body and sucks the blood from the fish. It eats the alage the fish need. Your score is 0% Restart quiz Go to the Quizzes Page