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- Exotic species are especially threatening to what kind of ecosystem? a. deserts b. marine ecosystems c. islands d. tropical forestsWhen an invasive species alters the community structure it is introduced to, what can the consequence be? a. extinction of economically important species b. reduced predation on some native species c. increased predation on some native species d. all of the aboveC. Legally protecting endangered species D. Regulating hunting and fishing 34. A wooded area has been divided by a housing development and is threatenin What term is used to describe this threat from human activities? A. habitat fragmentation B. acid precipitation C. habitat augmentation D. global warming 35. Which of the following is NOT a characteristic of an invasive species? A. They grow rapidly and outcompete with other plants or animals B. They produce large numbers of seeds/offspring at a young age C. They have very specific needs or requirements to survive 36. Which of the following was NOT a cascade effect from introducing wolv A. The change in the shape/path of the river B. The change in elk grazing areas C. Destruction of the Yellowstone ecosystem P. Reduction in the coyote population, increasing the raptor populat
- Which of the following is one of the biggest threats to biodiversity? A. Invasive species B. Land protection C. Ecological conservation D. Habitat restorationWhat is CITES? Group of answer choices A. Its aim is to ensure that international trade in specimens of wild animals and plants does not threaten their survival. B. an international agreement between governments C. All of the answers are correct D. the Convention on International Trade in Endangered Species of Wild Fauna and Floradescribes the positive benefits that wildlife or ecosystems provide to people. A. Biodiversity B. Ecosystem services C. Culture D. Habitat preservation
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- 1. Which ecological service provides us with food and water, wood, fuel, fiber, pharmaceuticals, and material for industrial products? a. Cultural Service b. Regulating service c. Supporting service d. Provisioning service 2. Which is the major extinction threat to the loss of biodiversity today? a. Pollution b. Over-harvesting c. Invasive species d. Habitat destruction and fragmentationWhat is the BEST way for the human population to reduce the amount of pollution it produces? A. force developing countries to only use nonreiewable fuels B. force developed countries to only use nonrenewable fuels C. global cooperation aimed at pollution reduction D. eliminate all cattle farmingA symbiotic relationship where both of the coexisting species benefit from the interaction is called ________. a. commensalism b. parasitism c. mutualism d. communism
