This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 171 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 171 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. All of the living things in an area are considered a A) Biome. B) Population. C) Community. D) Ecosystem. Show Answer Correct Answer: C) Community. 2. Which of the following is a nonliving thing-an abiotic factor? A) Humans. B) Trees. C) Wind. D) Fungi. Show Answer Correct Answer: C) Wind. 3. The ..... includes gases like nitrogen and oxygen, as well as dust, rain, and cloud droplets. A) Geosphere. B) Biosphere. C) Atmosphere. D) Cryosphere. Show Answer Correct Answer: C) Atmosphere. 4. Which example describes or illustrates how a density-dependent limiting factor can affect a forest ecosystem? A) A forest fire forces many animals to move to new habitats. B) A heat wave causes the death of many animals in the forest. C) An earthquake causes the death of many animals in the forest. D) A disease causes death of many animals in the forest. Show Answer Correct Answer: D) A disease causes death of many animals in the forest. 5. Which of the following is true about quadrats? A) Quadrats should be placed randomly so that a representative sample is taken. B) You should look at the results from several quadrats in an area to reduce the effect of an unusual distribution. C) The results are more reliable when you look at the results from many quadrats. D) All the above are true. Show Answer Correct Answer: D) All the above are true. 6. TRUE or FALSE? All of the carbon in existence is continually recycled in the carbon cycle. A) True. B) False. Show Answer Correct Answer: A) True. 7. Having a wide variety and lots of different species (like that in a rain forest) is called: A) Biodiversity. B) Species Richness. C) Phylogeny. D) Systematics. Show Answer Correct Answer: A) Biodiversity. 8. Eats both plants and animals A) Carnivores. B) Omnivores. C) Herbivores. D) None of above. Show Answer Correct Answer: B) Omnivores. 9. All food chains must start out with a A) Sun. B) Producer. C) Decomposer. D) Herbivore. Show Answer Correct Answer: B) Producer. 10. Plants capable of storing large amounts of water in their tissues A) Hydrophytes. B) Succulents. C) Mesofielder. D) Algae. E) Lichens. Show Answer Correct Answer: B) Succulents. 11. A rabbit eats the grass, the snake eats the rabbit and the hawk eats the snake. Who has the most energy in this food chain? A) The rabbit. B) The snake. C) The hawk. D) The grass. Show Answer Correct Answer: D) The grass. 12. Which brackish watery biome has some areas that are salty, and some areas that are freshwater? A) Freshwater. B) Coral reef. C) Estuary. D) Ocean. Show Answer Correct Answer: C) Estuary. 13. Organs like chlorophyll and thylakoid membranes are used for this process A) Photosynthesis. B) Respiration. C) Decomposition. D) Chemosynthesis. Show Answer Correct Answer: A) Photosynthesis. 14. Which of the following could be considered a primary consumer? A) Rabbit. B) Insect Eating Bird. C) Snake. D) Hawk. Show Answer Correct Answer: A) Rabbit. 15. A forest full of many kinds of trees and grasses is an example of a A) Group. B) Organism. C) Population. D) Community. Show Answer Correct Answer: D) Community. 16. Which choice is an example of a relationship between an abiotic factor and a biotic factor? A) Sun shining on a tree. B) Bacteria infecting an organism. C) A lion eating a zebra. D) A bird eating seeds. Show Answer Correct Answer: A) Sun shining on a tree. 17. Perform A) Be quiet. B) Go away. C) Do things. D) None of above. Show Answer Correct Answer: C) Do things. 18. Consumers who capture and eat other consumers A) Herbivores. B) Prey. C) Predator. D) Omnivores. Show Answer Correct Answer: C) Predator. 19. What do you call the rain that contains chemical waste and causes damage to plants and animals? A) Mushroom rain. B) Smog. C) Acid rain. D) None of above. Show Answer Correct Answer: C) Acid rain. 20. Humans and animals are ..... because we need to eat food for energy. A) Producers. B) Prey. C) Consumers. D) Population. Show Answer Correct Answer: C) Consumers. ← 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