This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 67 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 67 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The natural place of an organism or community is known as A) Niche. B) Habitat. C) Biome. D) Habit. Show Answer Correct Answer: B) Habitat. 2. Organisms that create their own food using energy from the sun A) Primary consumer. B) Heterotroph. C) Autotroph. D) Tertiary consumer. Show Answer Correct Answer: C) Autotroph. 3. Biotic organisms that feast on dead material A) Carnivores. B) Omnivores. C) Zombies. D) Decomposers. Show Answer Correct Answer: D) Decomposers. 4. Any living (or once living) factors or organisms in an ecosystem is called a(n) A) Biodiversity. B) Biotic factor. C) Abiotic factor. D) Biosphere. Show Answer Correct Answer: B) Biotic factor. 5. Which is an example of a parasitic relationship? A) A bee pollinates a flower. B) A tapeworm takes nutrients from a dog. C) An orchid lives in a tree but does not harm the tree. D) My best friend. Show Answer Correct Answer: B) A tapeworm takes nutrients from a dog. 6. Density Independent Factor:definition A) Population changing factors that occur regardless of how dense the population is. B) Population changing factors that occur in very dense populations. C) Population changing factors that occur in very small populations. D) Population changing factors that occur in very large populations. Show Answer Correct Answer: A) Population changing factors that occur regardless of how dense the population is. 7. Which of the following is an example of a living thing? (Biotic factor) A) Bacteria. B) A rock. C) Water. D) Air. Show Answer Correct Answer: A) Bacteria. 8. A place where an organism lives that supports its requirement for life. A) Community. B) Ecosystem. C) Habitat. D) Niche. Show Answer Correct Answer: C) Habitat. 9. 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. 10. 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. 11. 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. 12. 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. 13. The place in which an organism lives A) Habitat. B) Population. C) Ecosystem. D) Niche. Show Answer Correct Answer: A) Habitat. 14. Adaptations that involve how an organism behaves A) Structural. B) Behavioral. C) Functional. D) None of above. Show Answer Correct Answer: B) Behavioral. 15. 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. 16. 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. 17. The different kinds of living things in an ecosystem: A) Biome. B) Ecoplace. C) Symbiosis. D) Biodiversity. Show Answer Correct Answer: D) Biodiversity. 18. The building blocks of a habitat consist of ..... factors. A) Environmental. B) Social. Show Answer Correct Answer: A) Environmental. 19. 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. 20. 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. ← 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