This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 133 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 133 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Layer of the seed that stores food for the seed to use during the process of germination A) Epicotyl. B) Cotyledon. C) Hypocotyl. D) Radicle. Show Answer Correct Answer: B) Cotyledon. 2. Besides sunlight, what else do plants need to make food? A) Water & oxygen. B) Water & carbon dioxide. C) Predators & dirt. D) None of above. Show Answer Correct Answer: B) Water & carbon dioxide. 3. Most of the nutrients in the rainforest ecosystem are in the A) Organisms. B) Topsoil. C) Air. D) Groundwater. Show Answer Correct Answer: A) Organisms. 4. A meat eater that can eat herbivores, omnivores or carnivores A) Carnivore. B) Herbivore. C) Omnivore. D) None of above. Show Answer Correct Answer: A) Carnivore. 5. In mutualism A) Both species benefit. B) One species is killed. C) Both species fight for something. D) One species is unaffected. Show Answer Correct Answer: A) Both species benefit. 6. Seafloor spreading occurs near what feature? A) An abyssal plain. B) A mid-ocean ridge. C) A subduction trench. D) A mountain ridge. Show Answer Correct Answer: B) A mid-ocean ridge. 7. Because energy is lost as you move from lower to higher trophic levels, there are usually ..... organisms at higher trophic levels A) More. B) Less. C) The same amount. D) All of these are possible. Show Answer Correct Answer: B) Less. 8. A human & a Tape Worm:The tape worm gets a place to live in the intestines of the human and food from the human. The human loses weight and nutrients from the tape worm. A) Mutualism. B) Commensalism. C) Parasitism. D) None of above. Show Answer Correct Answer: C) Parasitism. 9. What is the difference between Primary and Secondary Succession? A) Primary succession and Secondary succession are the same thing. B) Primary succession is in the water, Secondary succession is on land. C) Primary succession is plants, Secondary succession is animals. D) Primary succession starts on barren rock, Secondary succession starts on dirt and soil. Show Answer Correct Answer: D) Primary succession starts on barren rock, Secondary succession starts on dirt and soil. 10. If wolves and bears are top predators, why did more wolves bring more bears? A) Less deer allowed for more berries and bears eat berries. B) Less deer means less food for the bears so they had to find new habitat. Show Answer Correct Answer: A) Less deer allowed for more berries and bears eat berries. 11. The artic would be considered what biome? A) Desert. B) Tundra. C) Grassland. D) Shrubland. Show Answer Correct Answer: B) Tundra. 12. Which answer is true regarding biodiversity? A) As long as there are enough producers, an ecosystem is considered to have a good amount of biodiversity. B) The rain forest has an unhealthy ecosystem because its biodiversity is too great. C) An ecosystem is healthier when the biodiversity is great. D) Biodiversity is positively affected when non-native species are introduced into an environment. Show Answer Correct Answer: C) An ecosystem is healthier when the biodiversity is great. 13. The food chain is: A) A grocery list. B) A series of steps in an ecosystem in which organisms transfer energy by eating and being eaten. C) The process of animals eating each other to survive. D) An organism that obtains energy by eating both plants and enimals. Show Answer Correct Answer: B) A series of steps in an ecosystem in which organisms transfer energy by eating and being eaten. 14. This biome gets the highest percentage of rain yearly A) Taiga. B) Temperate Deciduous Forest. C) Tropical Rainforest. D) Grasslands. Show Answer Correct Answer: C) Tropical Rainforest. 15. The Gobi fish and shrimp live closely together. The nearly blind shrimp keeps a burrow for it and the Gobi fish to live. The Gobi warns the shrimp of predators. The shrimp lets the fish live in the burrow. This is an example of A) Mutualism. B) Commensalism. C) Parasitism. D) None of above. Show Answer Correct Answer: A) Mutualism. 16. Incineration-burning of waste landfill-garbage dump list of endangered species-red book A) Right. B) Wrong. Show Answer Correct Answer: A) Right. 17. What is the role of decomposing bacteria in the nitrogen cycle? A) Change Nitrogen gas into Nitrate. B) Return the nitrogen compounds to the soil. C) Turn nitrogen into water. D) Turn nitrate into nitrogen gas. Show Answer Correct Answer: B) Return the nitrogen compounds to the soil. 18. Animal populations usually include A) Many different types of animals. B) A mix of adults who breed, and their offspring. C) A lot of animals. D) A small amount of animals. Show Answer Correct Answer: B) A mix of adults who breed, and their offspring. 19. I have abig birthday tonight, My mom and I ..... the house. A) Leave. B) Swim. C) Draw. D) Decorate. Show Answer Correct Answer: D) Decorate. 20. What can cause airborne dusts? A) Asthma. B) Pneumonia. C) Tuberculosis. D) None of above. Show Answer Correct Answer: A) Asthma. ← 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