This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 60 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 60 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Plants A) Plants. B) Bottle. C) Insect. D) Poster. Show Answer Correct Answer: A) Plants. 2. What is commensalism? A) One species is helped the other is not bothered. B) Both species are helped. C) One species is helped and one is harmed. D) No species is helped. Show Answer Correct Answer: A) One species is helped the other is not bothered. 3. Which of the following does not affect population growth? A) The number of births. B) The number of deaths. C) Immigration. D) Immigration. E) Biodiversity. Show Answer Correct Answer: E) Biodiversity. 4. Which is the following form of nitrogen you can use? A) Nitrate (NO3). B) Carbon dioxide (CO2). C) Atmospheric nitrogen (N2). D) Nitrogen monoxide (NO). Show Answer Correct Answer: A) Nitrate (NO3). 5. Symbiosis. Which two living things interact in a way that is a Win-Win? A) Fleas and a dog. B) Flowers and bees. C) A hawk and a mouse. D) A person and mosquitos. Show Answer Correct Answer: B) Flowers and bees. 6. What is the STUDY of the relationships between living organisms, including humans, and their physical environment A) Ecology. B) Ecosystem. C) Biome. D) Biodiversity. Show Answer Correct Answer: A) Ecology. 7. What is the source of energy that flows through most of the food chains on Earth? A) Plants. B) Animals. C) The Sun. D) Water. Show Answer Correct Answer: C) The Sun. 8. Which experiences the least change over time? A) Pioneer Species. B) Primary Succession. C) Aquatic Succession. D) Climax Community. Show Answer Correct Answer: D) Climax Community. 9. An organism's place in the biotic environment and its role in an ecosystem is A) Habitat. B) Habit. C) Niche. D) Community. Show Answer Correct Answer: C) Niche. 10. Organisms with traits best suited to their environment and will most likely survive. A) Limiting factor. B) Natural selection. C) Good luck. D) Great abs. Show Answer Correct Answer: B) Natural selection. 11. The starting materials and products of cellular respiration and photosynthesis are A) Same. B) Opposite. C) Unrelated. D) None of above. Show Answer Correct Answer: B) Opposite. 12. Is carbon dioxide produced in photosynthesis? A) Yes. B) No. Show Answer Correct Answer: B) No. 13. The best description of the relationship between runoff and groundwater is that A) Runoff turns into groundwater. B) Both result from precipitation and may end up in bodies of water. Show Answer Correct Answer: B) Both result from precipitation and may end up in bodies of water. 14. A clownfish living in sea anemone is an example of what type of relationship? A) Mutualism. B) Predation. C) Commensalism. D) Parasitism. Show Answer Correct Answer: C) Commensalism. 15. The air we breathe is only ..... % oxygen. A) 10. B) 21. C) 78. D) 90. Show Answer Correct Answer: B) 21. 16. Plants with spines and waxy leaves are well suited for life in which environment? A) Desert. B) Temperate forest. C) Grassland. D) Tropical Rainfroest. Show Answer Correct Answer: A) Desert. 17. Which of these is Abiotic? A) A mouse. B) A downed Tree. C) A rock. D) A Bush. Show Answer Correct Answer: C) A rock. 18. Immigration is A) The movement of people from Russia to China. B) The movement of individuals into an area occupied by an existing population. C) The number of Mexicans moving into America. D) The number of individuals moving from Europe to another country. Show Answer Correct Answer: B) The movement of individuals into an area occupied by an existing population. 19. Organisms that break down material A) Producers. B) Consumers. C) Decomposers. D) Predators. Show Answer Correct Answer: C) Decomposers. 20. Abiotic factors are the ..... aspects of the environment. A) Nonliving. B) Producers. Show Answer Correct Answer: A) Nonliving. ← PreviousNext →Related QuizzesScience QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8Ecology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books