This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 25 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Examples of Abiotic Factors include: A) Weather, birds, plants, and animals. B) Rocks, reptiles, shrubs, trees, and grasses. C) Weather, wind, rain, sunlight, and rocks. D) Birds, plants, animals, reptiles, shrubs, trees, and grasses. Show Answer Correct Answer: C) Weather, wind, rain, sunlight, and rocks. 2. An energy pyramid is broader at base and narrower at the apex, as the energy A) Increases along the food chain. B) Remains same along the food chain. C) May increase or decrease along the food chain. D) Decreases along the food chain. Show Answer Correct Answer: D) Decreases along the food chain. 3. Choose the right meaning:recycle A) To recycle. B) Harm. C) Pick. D) None of above. Show Answer Correct Answer: A) To recycle. 4. Molds, bacteria, and worms are ..... A) Decomposers. B) Producers. C) Consumers. D) Food chains. Show Answer Correct Answer: A) Decomposers. 5. Water, carbon, nitrogen, and oxygen cycle through the earth and are reused by organisms. A) Taiga. B) Tundra. C) Weather. D) Nature's cycle. Show Answer Correct Answer: D) Nature's cycle. 6. Obtains energy from other living things "consumer" A) Eukaryote. B) Prokaryotes. C) Heterotrophic. D) Autotrophic. Show Answer Correct Answer: C) Heterotrophic. 7. Adaptation of organisms to the environment A) Population. B) Competition. C) Adaptability. D) Variability. E) Recreation. Show Answer Correct Answer: C) Adaptability. 8. This zone is from the surface to 200 meters deep and is also called the photic zone: A) Epipelagic zone. B) Bathypelagic zone. C) Mesopelagic zone. D) Benthic zone. Show Answer Correct Answer: A) Epipelagic zone. 9. Plants in a food chain are referred to as: A) Decomposers. B) Scavengers. C) Consumers/heterotrophs. D) Producers/autotrophs. Show Answer Correct Answer: D) Producers/autotrophs. 10. "There is only enough space in this room to sit 27 students."27 would be this rooms ..... A) Carrying Capactiy. B) Limiting Factor. C) Death Variable. D) Deflector. Show Answer Correct Answer: A) Carrying Capactiy. 11. Substance that's in the wrong place or wrong concentration. A) Invasive Species. B) Heterotroph. C) Pollution. D) Trophic. Show Answer Correct Answer: C) Pollution. 12. What organism has the greatest amount of energy? A) Herbivore. B) Carnivores. C) Producers. D) Decomposers. Show Answer Correct Answer: C) Producers. 13. A habitat is..... A) The place or kind of place in which an animal or plant naturally lives. B) Is how plants produce their own food. C) Is an animal that only eats meat. D) The place where only one animal lives. Show Answer Correct Answer: A) The place or kind of place in which an animal or plant naturally lives. 14. Two species of fish live in the same pond. Which of the following would increase competition between these two species of fish? A) Habitat temperature increases. B) Population of birds that eat the fish increases. C) Number of food plants the fish eat increases. D) Water level in the pond decreases. Show Answer Correct Answer: D) Water level in the pond decreases. 15. A biotic thing in an environment is one that A) Is or was alive. B) Is non-living (never has been alive). Show Answer Correct Answer: A) Is or was alive. 16. How does energy flow in an energy pyramid? A) Top to bottom. B) Bottom to top. C) Left to right. D) Right to left. Show Answer Correct Answer: B) Bottom to top. 17. Which of the following processes does not return CO2 into the atmosphere? A) Cellular respiration. B) Photosynthesis. C) Burning fossil fuels. D) Decomposition. Show Answer Correct Answer: B) Photosynthesis. 18. Air ..... is a serious problem in cities. A) Exhaust fumes. B) Recycle. C) Oxygen. D) Pollution. Show Answer Correct Answer: D) Pollution. 19. Carrying Capacity A) How many organisms an ecosystem can hold and sustain. B) Means the ecosystem is overpopulated. C) How much candy you can carry. D) Is an endangered species. Show Answer Correct Answer: A) How many organisms an ecosystem can hold and sustain. 20. Biotic factors would include all but ..... A) Humans. B) Fish. C) Trees. D) Soil. Show Answer Correct Answer: D) Soil. ← 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