This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 161 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 161 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A non-native plant that causes problems to the environment that it is introduced to is called ..... A) Invasive. B) Lethal. C) Indigenous. D) Native. Show Answer Correct Answer: A) Invasive. 2. A niche refers to the place an organism lives within its ecosystem. A) True. B) False. Show Answer Correct Answer: B) False. 3. Which energy role obtains energy through eating other organisms? A) Producer. B) Consumer. C) Decoposer. D) None of above. Show Answer Correct Answer: B) Consumer. 4. The number of individuals in a population per unit area. A) Distribution. B) Size. C) Density. D) Community. Show Answer Correct Answer: C) Density. 5. The ecological role an organism performs in their specific environment is considered the organism's ..... A) Habitat. B) Biome. C) Population. D) Niche. Show Answer Correct Answer: D) Niche. 6. What is the name of the area of groundwater where it is saturated? A) Zone of Saturation. B) Zone of Aeration. C) Water Table. D) None of above. Show Answer Correct Answer: A) Zone of Saturation. 7. To save water you should ..... A) Use low-energy light bulbs. B) Take a shower instead of a bath. C) Turn your central heating down. D) Cycle or walk more often. Show Answer Correct Answer: B) Take a shower instead of a bath. 8. A bear that ate berries is a A) Tertiary consumer. B) Secondary consumer. C) Primary consumer. D) Primary producer. Show Answer Correct Answer: C) Primary consumer. 9. What type of nitrogen is usable for plants? A) Ammonia. B) Nitrates. C) Nitrites. D) Atmospheric Nitrogen gas. Show Answer Correct Answer: B) Nitrates. 10. All of the biotic and abiotic factors within a particular environment A) Community. B) Population. C) Biome. D) Ecosystem. Show Answer Correct Answer: D) Ecosystem. 11. Cellular respiration releases oxygen into the atmosphere as carbon dioxide. A) True. B) False. Show Answer Correct Answer: B) False. 12. In this cycle, CO2 is released by burning fossil fuels and by cellular respiration, only to consumed by plants A) Nitrogen cycle. B) Carbon cycle. C) Water cycle. D) Energy cycle. Show Answer Correct Answer: B) Carbon cycle. 13. Photosynthesis A) Absorbs CO2. B) Releases CO2. Show Answer Correct Answer: A) Absorbs CO2. 14. What are examples of herbivores? A) Rabbit, Deer, Cow. B) Birds, Dogs, Raccoons. C) Sun, Weather, Fungus. D) None of above. Show Answer Correct Answer: A) Rabbit, Deer, Cow. 15. Which of these energy roles is always located at the bottom of an energy pyramid? A) Producer. B) Second-Level Carnivores. C) Herbivores. D) First-Level Consumers. Show Answer Correct Answer: A) Producer. 16. A disease kills off a population of wolves in a forest. What will happen to the population of the wolves' prey? A) It will increase. B) It will decrease. C) It will remain steady. D) None of above. Show Answer Correct Answer: A) It will increase. 17. The ..... is the ultimate source of the energy in an ecosystem. A) Sun. B) Moon. C) Plants. D) Animals. Show Answer Correct Answer: A) Sun. 18. The movement of a single caribou into a herd is an example of A) Population. B) Immigration. C) Emigration. D) Predation. Show Answer Correct Answer: B) Immigration. 19. Organisms that relies on other organisms for food; consumer A) Herbivore. B) Decoposer. C) Heterotroph. D) Species. Show Answer Correct Answer: C) Heterotroph. 20. Which of these represents the correct order of trophic levels? A) Producers$\rightarrow$Primary consumers$\rightarrow$Secondary consumers. B) Primary consumers$\rightarrow$Secondary consumers$\rightarrow$Producers. C) Primary consumers$\rightarrow$Producers$\rightarrow$Secondary consumers. D) Secondary consumers$\rightarrow$Producers$\rightarrow$Primary consumers. Show Answer Correct Answer: A) Producers$\rightarrow$Primary consumers$\rightarrow$Secondary consumers. ← 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