This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 66 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 66 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The process of using sunlight, carbon dioxide, and water to make sugar and oxygen is called ..... ? A) Chlorophyll. B) Evaporation. C) Photosynthesis. D) Transportation. Show Answer Correct Answer: C) Photosynthesis. 2. A living thing that needs to eat other living things A) Consumer. B) Producer. C) Decoposer. D) None of above. Show Answer Correct Answer: A) Consumer. 3. What is a mass extinction? A) When all the species in a particular area on earth suddenly go extinct. B) When multiple species from all over the earth suddenly go extinct. C) When one species goes extinct due to habitat changes. D) When all life on earth is wiped out. Show Answer Correct Answer: B) When multiple species from all over the earth suddenly go extinct. 4. The second consumer in the food chain is called ..... A) Primary consumer. B) Secondary consumer. C) Tertiary consumer. D) None of above. Show Answer Correct Answer: B) Secondary consumer. 5. The place in which an organism lives A) Habitat. B) Population. C) Ecosystem. D) Niche. Show Answer Correct Answer: A) Habitat. 6. Adaptations that involve how an organism behaves A) Structural. B) Behavioral. C) Functional. D) None of above. Show Answer Correct Answer: B) Behavioral. 7. The role and location an organism has in an environment is its A) Niche. B) Purpose. C) Station. D) Position. Show Answer Correct Answer: A) Niche. 8. What protects the earth from dangerous rays? A) The Ozone layer. B) Radiation. C) Earth's surface. D) Clouds. Show Answer Correct Answer: A) The Ozone layer. 9. The different kinds of living things in an ecosystem: A) Biome. B) Ecoplace. C) Symbiosis. D) Biodiversity. Show Answer Correct Answer: D) Biodiversity. 10. The building blocks of a habitat consist of ..... factors. A) Environmental. B) Social. Show Answer Correct Answer: A) Environmental. 11. A student makes the following list of things she sees in her backyard:squirrels, birds, worms, trees, rocks, pink plastic flamingo and flowers. What does this list describe? A) A biome. B) A population. C) An ecosystem. D) A community. Show Answer Correct Answer: C) An ecosystem. 12. The struggle between organisms to survive in a habitat with limited resources A) Prey. B) Symbiosis. C) Predation. D) Competition. Show Answer Correct Answer: D) Competition. 13. An organism that feeds on dead organic material and adds nutrients to the soil: A) Herbivore. B) Decoposer. C) Producer. D) Carnivore. Show Answer Correct Answer: B) Decoposer. 14. A producer is a (n) ..... A) Heterotroph. B) Omnitroph. C) Autotroph. D) Oscartroph. Show Answer Correct Answer: C) Autotroph. 15. Areas defined by their geographical location and ecological similarity are called? A) Ecozones. B) Biotopes. C) Biomes. D) Biodomes. Show Answer Correct Answer: C) Biomes. 16. Which one is bigger? A) Cell. B) Molecule. Show Answer Correct Answer: A) Cell. 17. What would most likely happen if an ecosystem no longer received sunlight? A) The number of herbivores would increase. B) The number of plants would increase. C) All living organisms would eventually die. D) None of above. Show Answer Correct Answer: C) All living organisms would eventually die. 18. Wood, leaves, and manure belong to a group of renewable energy sources called ..... A) Hydropower. B) Solar. C) Biomass. D) Fossil fuels. Show Answer Correct Answer: C) Biomass. 19. Anything that restricts the number of individuals in a population; food, water, shelter. A) Carrying capacity. B) Biotic. C) Limiting factors. D) Good luck. Show Answer Correct Answer: C) Limiting factors. 20. Deer are herbivores. A) Habitat. B) Niche. Show Answer Correct Answer: B) Niche. ← 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