This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 281 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 281 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Predation is the relationship in which members of one species consume members of another species. A) True. B) False. Show Answer Correct Answer: A) True. 2. What level on an energy pyramid has organisms having the LEAST energy? A) Top level. B) Bottom level. C) Middle level. D) None of above. Show Answer Correct Answer: A) Top level. 3. An organism that obtains energy by feeding on other organisms A) Consumer. B) Autotroph. C) Decomposer. D) Niche. Show Answer Correct Answer: A) Consumer. 4. Relationships between living things Living like a prey is A) Tiger hunts deer. B) Parasites on big trees. C) Bee and flower. D) Ticks that cling to dogs. Show Answer Correct Answer: A) Tiger hunts deer. 5. How is a monarch butterfly similar to the milkweed plant? A) Both organisms hatch from eggs. B) Both organisms need water to survive. C) Both organisms use sunlight to make food. D) Both organisms breathe oxygen from the air. Show Answer Correct Answer: B) Both organisms need water to survive. 6. A species' specific use of the biotic and abiotic factors in an environment is collectively called the species A) Habitat. B) Ecological niche. C) Trophic level. D) Community. Show Answer Correct Answer: B) Ecological niche. 7. Limiting factor is A) When you can't eat anymore because you ran out of food. B) A factor that causes the growth of a populaton to decrease. C) When your limited to what you can do because you're sick. D) When you can't do anything because you didn't do your chores. Show Answer Correct Answer: B) A factor that causes the growth of a populaton to decrease. 8. How is Nitrogen removed from the air and put into compound that living things can use? A) Plants. B) Photosynthesis. C) Chemosynthesis. D) Nitrogen fixing bacteria. Show Answer Correct Answer: D) Nitrogen fixing bacteria. 9. One way humans could have a positive impact on their local environment is to ..... A) Use renewable resources. B) Increase the use of pesticides. C) Decrease reforestation efforts. D) Generate increased waste products from technological advances. Show Answer Correct Answer: A) Use renewable resources. 10. Geothermal energy is A) Renewable. B) Nonrenewable. Show Answer Correct Answer: A) Renewable. 11. The things organisms do to survive; bird calls and migration. A) Grasslands. B) Structural adaptations. C) Behavioral adaptations. D) Behavior. Show Answer Correct Answer: C) Behavioral adaptations. 12. An organism's particular role in an ecosystem, or how it makes its living is called a A) Habitat. B) Population. C) Biosphere. D) Niche. Show Answer Correct Answer: D) Niche. 13. Nonnative zebra mussels were first found in a lake near Detroit in 1988. By 1989, it had colonized all Great Lakes waterways. Which scenario is most likely true regarding the introduction of this species? A) Native fish naturally ate zebra mussels. B) The higher biodiversity lead to healthier lakes. C) Native mussels were outcompeted by Nonnative mussels for food and other resources. D) Native mussel populations were growing rapidly. Show Answer Correct Answer: C) Native mussels were outcompeted by Nonnative mussels for food and other resources. 14. The five levels of organization in the environment, from smallest to largest A) Organism, population, biosphere, ecosystem, community. B) Organism, population, biotic element, abiotic, elements, community. C) Organism population, community, ecosystem, biosphere. D) Organisms, population, biosphere, abiotic elements, ecology. Show Answer Correct Answer: C) Organism population, community, ecosystem, biosphere. 15. This is any close relationship between any two different species in an ecosystem A) Symbiosis. B) Parasitism. C) Mutualism. D) Commensalism. Show Answer Correct Answer: A) Symbiosis. 16. Levels in ecological (energy) pyramids are called A) Food chains. B) Trophic levels. C) Food levels. D) Food webs. Show Answer Correct Answer: B) Trophic levels. 17. A tick lives off the blood of a dog and can make it sick. A) Mutualism. B) Commensalism. C) Parasitism. D) None of above. Show Answer Correct Answer: C) Parasitism. 18. What type of factors represent the living organisms in an environment? A) Abiotic. B) Biotic. C) Viruses. D) Natural Disasters. Show Answer Correct Answer: B) Biotic. 19. DNA is located in the nucleus of A) Prokaryotes. B) Eukaryotes. Show Answer Correct Answer: B) Eukaryotes. 20. Why is there a limited amount of energy that can be passed on to the next feeding level? A) There is never enough sunlight available. B) Some ecosystems have limited resources. C) Organisms use some of the energy they get from eating. D) All the energy is available to be passed on. Show Answer Correct Answer: C) Organisms use some of the energy they get from eating. ← PreviousNext →Related QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8Ecology Quiz 9Ecology Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books