This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 276 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 276 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Transpiration is A) What happens to you when you exercise a lot. B) The process of converting gas into ammonia. C) The loss of water from a plant through its leaves. D) Converting organisms into gas. Show Answer Correct Answer: C) The loss of water from a plant through its leaves. 2. Primary source of ecosystem energy A) Solar energy. B) Thermal energy. C) Wind energy. D) Fuel energy. Show Answer Correct Answer: A) Solar energy. 3. In commensalism A) Both species fight for something. B) Both species benefit. C) One species is killed. D) One species is unaffected. Show Answer Correct Answer: D) One species is unaffected. 4. What are the key features of the Tundra? A) Cold winter, thin acidic soil, evergreen trees. B) Treeless, permafrost, cold dark winters. C) Ong cool summers, short dark winters, migrating animals. D) Many evergreen trees, short moist summers, long snowy winters. Show Answer Correct Answer: B) Treeless, permafrost, cold dark winters. 5. What type of factor has an increasing impact as the population size increases? A) Density-independent. B) Density-dependent. C) Cohort effect. D) Survivorship factor. Show Answer Correct Answer: B) Density-dependent. 6. ..... can be hammered i different shapes A) Nonmetals. B) Metalloids. C) Metal. D) None of above. Show Answer Correct Answer: C) Metal. 7. Which symbols best describe parasitism? A) +, +. B) +, -. C) +, 0. D) -, 0. Show Answer Correct Answer: B) +, -. 8. An organism that eat's plants and meat. A) Herbivore. B) Omnivore. C) Carnivore. D) Detrivorous. Show Answer Correct Answer: B) Omnivore. 9. The pattern of spacing among individuals within the geographic boundaries is called A) Boundaries. B) Dispersion. C) Pursuing. D) Separation. Show Answer Correct Answer: B) Dispersion. 10. Mushrooms often grow around dead plants such as decomposing trees. They break down these dead organisms and put matter back into the ground for other plants to use. What type of consumer are mushrooms? A) Carnivore. B) Omnivore. C) Herbivore. D) Decoposer. Show Answer Correct Answer: D) Decoposer. 11. In an energy pyramid, energy ..... as you move up the pyramid. A) Increases. B) Decreases. C) Stays the same. D) Changes up and down. Show Answer Correct Answer: B) Decreases. 12. Predation is the relationship in which members of one species consume members of another species. A) True. B) False. Show Answer Correct Answer: A) True. 13. What level on an energy pyramid has organisms having the LEAST energy? A) Top level. B) Bottom level. C) Middle level. D) None of above. Show Answer Correct Answer: A) Top level. 14. An organism that obtains energy by feeding on other organisms A) Consumer. B) Autotroph. C) Decomposer. D) Niche. Show Answer Correct Answer: A) Consumer. 15. Relationships between living things Living like a prey is A) Tiger hunts deer. B) Parasites on big trees. C) Bee and flower. D) Ticks that cling to dogs. Show Answer Correct Answer: A) Tiger hunts deer. 16. How is a monarch butterfly similar to the milkweed plant? A) Both organisms hatch from eggs. B) Both organisms need water to survive. C) Both organisms use sunlight to make food. D) Both organisms breathe oxygen from the air. Show Answer Correct Answer: B) Both organisms need water to survive. 17. A species' specific use of the biotic and abiotic factors in an environment is collectively called the species A) Habitat. B) Ecological niche. C) Trophic level. D) Community. Show Answer Correct Answer: B) Ecological niche. 18. Limiting factor is A) When you can't eat anymore because you ran out of food. B) A factor that causes the growth of a populaton to decrease. C) When your limited to what you can do because you're sick. D) When you can't do anything because you didn't do your chores. Show Answer Correct Answer: B) A factor that causes the growth of a populaton to decrease. 19. How is Nitrogen removed from the air and put into compound that living things can use? A) Plants. B) Photosynthesis. C) Chemosynthesis. D) Nitrogen fixing bacteria. Show Answer Correct Answer: D) Nitrogen fixing bacteria. 20. One way humans could have a positive impact on their local environment is to ..... A) Use renewable resources. B) Increase the use of pesticides. C) Decrease reforestation efforts. D) Generate increased waste products from technological advances. Show Answer Correct Answer: A) Use renewable resources. ← 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