This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 52 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 52 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Living factors or organisms that affect an ecosystem A) Abiotic factors. B) Species. C) Trophic level. D) Biotic factors. Show Answer Correct Answer: D) Biotic factors. 2. Sometimes a population cannot grow to its biotic potential due to environmental factors. What are these environmental factors called? A) Limiting factors. B) Biomes. C) Ecological pyramids. D) Carrying capacity. Show Answer Correct Answer: A) Limiting factors. 3. When a population grows larger than the carrying capacity, limiting factors will cause the population to ..... A) Decrease. B) Increase. C) Stay the same. D) None of above. Show Answer Correct Answer: A) Decrease. 4. Where is carbon stored in the environment? A) Fossil fuels. B) Wood of trees. C) Calcium carbonate (shells and bones). D) All of the above. Show Answer Correct Answer: D) All of the above. 5. Hummingbirds eat flower nectar and small insects. To which nutritional group do they belong? A) Autotrophs. B) Consumers. C) More destructive. D) Saprotrophs. Show Answer Correct Answer: B) Consumers. 6. Growing plants for food, or growing crops is called ..... A) Deforestation. B) Flooding. C) Urban development. D) Cultivation. Show Answer Correct Answer: D) Cultivation. 7. This type of organism eats only plants. A) Producer. B) Omnivore. C) Detritivore. D) Herbivore. Show Answer Correct Answer: D) Herbivore. 8. Which is an example of innate behavior? A) Pond ducks flocking to be fed. B) Bears leaning to catch fish. C) Human babies speaking words. D) Birds chirping when hatched. Show Answer Correct Answer: D) Birds chirping when hatched. 9. A resource that cannot replenish itself is ..... A) Renewable. B) Non-renewable. Show Answer Correct Answer: B) Non-renewable. 10. The continent with the most amount of biodiversity in the world is A) Asia. B) North America. C) Europe. D) South America. Show Answer Correct Answer: D) South America. 11. Plants both trying to get sunlight are A) Commensalism. B) Mutualism. C) Competition. D) Parasitism. Show Answer Correct Answer: C) Competition. 12. Barnacles that grow on the bottom of a whale without harming it or giving it any real advantage would be an example of ..... A) Mutualism. B) Predation. C) Parasitism. D) Commensalism. Show Answer Correct Answer: D) Commensalism. 13. Which of the following is more likely a tertiary consumer? A) Wolf. B) Frog. C) Rabbit. D) Cardinal. Show Answer Correct Answer: A) Wolf. 14. Water temperature would be an example of ..... A) A biotic factor. B) An abiotic factor. Show Answer Correct Answer: B) An abiotic factor. 15. How could you use less water? A) Do extra loads of laundry. B) Water your lawn every day. C) Take a shorter shower. D) Leave the water running while brushing your teeth. Show Answer Correct Answer: C) Take a shorter shower. 16. The habitat is the role of a species in its ecosystem. A) True. B) False. Show Answer Correct Answer: A) True. 17. Species are ..... A) Top of the foods chain. B) Animals that eat both plants and animals. C) Animals that benefit in a variety habitats. D) Organisms that share physical characteristics and mate successfully. Show Answer Correct Answer: D) Organisms that share physical characteristics and mate successfully. 18. Organism, populations, and communities include only biotic factors (living things). A) True. B) False. Show Answer Correct Answer: A) True. 19. What has caused the ozone to become thin in spots? A) Human polution. B) Extreme weather. C) Flying objects. D) Carbon dioxide. Show Answer Correct Answer: A) Human polution. 20. Which organism breaks down substances at the microscopic level? A) Consumer. B) Detritivore. C) Decoposer. D) Producer. Show Answer Correct Answer: C) Decoposer. ← 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