This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 63 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 63 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What are the ecological levels of organization from smallest to the largest? A) Organism, population, community, ecosystem, , biosphere. B) Organism, community, population, ecosystem, biosphere. C) Organism, population, community, ecosystem, ecosphere. D) Organism, community, population, ecosystem, ecosphere. Show Answer Correct Answer: A) Organism, population, community, ecosystem, , biosphere. 2. Which is an example of where primary succession could occur? A) A glacier melts and exposes new rocks. B) Natural fire burns a prairie. C) A corn field is abandoned and left to overgrow. D) Flood covers a piece of land. Show Answer Correct Answer: A) A glacier melts and exposes new rocks. 3. The study of how living things interact with each other and their environment A) Population. B) Ecosystem. C) Ecology. D) Niche. Show Answer Correct Answer: C) Ecology. 4. Which of the following describes the flow of energy in an ecosystem? A) Producer-PC-SC-TC-sunlight. B) Sunlight-producer-PC-SC-TC. C) TC-SC-PC-producer-sunlight. D) Sunlight-PC-SC-TC-producer. Show Answer Correct Answer: B) Sunlight-producer-PC-SC-TC. 5. Black walnut trees produce a nontoxic chemical that becomes highly toxic when it is exposed to air or soil. How does this chemical help black walnut trees compete with plants growing nearby? A) By attracting herbivores to the other plants. B) By suppressing the growth of the other plants. C) By increasing the photosynthesis rates in the other plants. D) By limiting the amount of water available to the other plants. Show Answer Correct Answer: B) By suppressing the growth of the other plants. 6. Which of these nitrogen cycle processes converts atmospheric nitrogen to a soil form of nitrogen that is usable by plants? A) Nitrogen fixation. B) Nitrification. C) Denitrification. D) Ammonification. E) Assimilation. Show Answer Correct Answer: A) Nitrogen fixation. 7. The release of water vapor by plants A) Respiration. B) Water cycle. C) Transpiration. D) Photosynthesis. Show Answer Correct Answer: C) Transpiration. 8. Gene A) Basic physical unit of chromosomes, comes from your brain. B) Basic physical unit of hereditary, DNA coded instruction for synthesis of RNA. C) Blood, used to show male or female. D) None of above. Show Answer Correct Answer: B) Basic physical unit of hereditary, DNA coded instruction for synthesis of RNA. 9. Organisms that breaks down and absorbs nutrients from dead organisms A) Consumer. B) Trophic level. C) Decoposer. D) Species. Show Answer Correct Answer: C) Decoposer. 10. I want to eat. I am ..... A) Sad. B) Thirsty. C) Hungry. D) Tired. Show Answer Correct Answer: C) Hungry. 11. I am a consumer that eats both plants and animals. A) Carnivore. B) Omnivore. C) Herbivore. D) None of above. Show Answer Correct Answer: B) Omnivore. 12. A ..... breaks down waste or dead organisms and recycles nutrients. A) Consumer. B) Producer. C) Decoposer. D) Omnivore. Show Answer Correct Answer: C) Decoposer. 13. Biotic factors are things such as, animals and plants A) True. B) False. Show Answer Correct Answer: A) True. 14. Food chain A) Life cycle of a frog. B) Example:grass, cow, human. C) Example:egg, tadpole, frog. D) None of above. Show Answer Correct Answer: B) Example:grass, cow, human. 15. What do you call organisms that can make their own food? A) Heterotrophs. B) Autotrophs. C) Trophies. D) None of above. Show Answer Correct Answer: B) Autotrophs. 16. Ms. Daley takes her class on a field trip to a pond. The class sees a bald eagle and a salamander near the pond. How are these two animals alike? A) They both have offspring that is very different from the adults. B) They both lay eggs. C) They both are warm-blooded. D) They both are able to breathe through their skin. Show Answer Correct Answer: B) They both lay eggs. 17. The process of plants using energy from the sun to create the first trophic level is called? A) Photosynthesis. B) Chemosynthesis. C) Cellular Respiration. D) Primary Producers. Show Answer Correct Answer: A) Photosynthesis. 18. This biome has four equal seasons (winter, spring, summer, fall). Summers are hot and winters are cold. We live in this biome. A) Grassland. B) Marine. C) Deciduous Forest. D) Coniferous Forest. Show Answer Correct Answer: C) Deciduous Forest. 19. Humans are initially babies and then can develop into children who can run. This is because living things is ..... A) Movement. B) Respiration. C) Growth. D) Excretion. Show Answer Correct Answer: C) Growth. 20. Which of the following is NOT an example of an abiotic factor? A) Sunlight. B) Ocean. C) Bird. D) Pebbles. Show Answer Correct Answer: C) Bird. ← 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