This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 134 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 134 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Recycling means ..... A) Travelling by bike. B) Using something again. C) Cleaning something. D) Cycling somewhere again. Show Answer Correct Answer: B) Using something again. 2. This biome has many names depending where in the world you are that include veldts, savannas, steppes, and prairies and receives 25 to 100 cm of rain a year. Lots of herbivores live here A) Tundra. B) Grasslands. C) Deserts. D) Boreal Forest. Show Answer Correct Answer: B) Grasslands. 3. A process by which animals use oxygen and food to make energy and carbon dioxide. A) Respiration. B) Photosynthesis. C) Running. D) Carbon. Show Answer Correct Answer: A) Respiration. 4. This biome has the most diverse species of plants and animals. A) Desert. B) Tropical rainforest. C) Savanna. D) Tundra. Show Answer Correct Answer: B) Tropical rainforest. 5. What of the following is listed in order correctly from smallest to largest? A) Organism, community, population, ecosystem, biome. B) Organism, population, community, ecosystem, biome. C) Organism, ecosystem, community, biome, population. D) Organism, population, ecosystem, community, biome. Show Answer Correct Answer: B) Organism, population, community, ecosystem, biome. 6. Which of the following is an example of a predator's adaptation? A) A porcupine's needles. B) A shark's powerful jaws. C) A frog's bright colors. D) A plant's poisonous chemicals. Show Answer Correct Answer: B) A shark's powerful jaws. 7. The use of oxygen to break down sugars to get energy A) Photosynthesis. B) Decomposition. C) Respiration. D) Chemosynthesis. Show Answer Correct Answer: C) Respiration. 8. Which process REMOVES carbon from the atmosphere? A) Combustion. B) Respiration. C) Photosynthesis. D) Death and decomposition. Show Answer Correct Answer: C) Photosynthesis. 9. The number of individuals per unit area is the definition of which? A) Population distribution. B) Population density. C) Survivorship type 1. D) Survivorship type 2. Show Answer Correct Answer: B) Population density. 10. Which catastrophic event will most likely cause an ecosystem to begin primary succession? A) To tornado. B) A volcanic eruption. C) A flood. D) None of above. Show Answer Correct Answer: B) A volcanic eruption. 11. Herbivores, omnivores, and carnivores are all A) Consumers. B) Decomposers. C) Producers. D) Scavengers. Show Answer Correct Answer: A) Consumers. 12. Which of the following describes a community? A) All populations that live in the same area but don't interact. B) All population that live in the same area and interact. C) All populations that contain the same species. D) All populations that live in the same area. Show Answer Correct Answer: D) All populations that live in the same area. 13. Energy flow for an ecosystem starts with ..... A) Sun. B) Moon. C) Neither. D) None of above. Show Answer Correct Answer: A) Sun. 14. One factor that drives population changes is A) The availability of resources. B) Predation. C) Both a and b. D) None of the above. Show Answer Correct Answer: C) Both a and b. 15. A stable ecological community that has reached equilibrium: A) Ecological succession. B) Climax community. C) Secondary succession. D) Pioneer species. Show Answer Correct Answer: B) Climax community. 16. Pollution A) Pollution. B) Pollution. C) Pollution. D) Pollution. Show Answer Correct Answer: A) Pollution. 17. (births + immigration)-(deaths + emigration) = A) Different trophic levels. B) Population replacement. C) Change in population size. D) Evolution. Show Answer Correct Answer: C) Change in population size. 18. All the different populations that live together in an area make up a ..... A) Habitat. B) Ecosystem. C) Factors. D) Community. Show Answer Correct Answer: D) Community. 19. She is a good girl. She helps ..... mother. A) His. B) Our. C) Her. D) Its. Show Answer Correct Answer: C) Her. 20. The largest population an environment can support? A) Population density. B) Carrying capacity. C) Limiting factor. D) Emigration. Show Answer Correct Answer: B) Carrying capacity. ← 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