This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 68 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 68 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Are the largest biomes on Earth. They can be warm or cold. They are home to plants like seaweed and animals like fish, whales, turtles and sponges. A) Oceans. B) Ponds. C) Lakes. D) Ice islands. Show Answer Correct Answer: A) Oceans. 2. The collective mass of all living things in a particular area or at a specific trophic level of an ecosystem is known as ..... A) Population Size. B) Biomagnification. C) Biomass. D) Apex Trophism. Show Answer Correct Answer: C) Biomass. 3. An example of a behavioral adaptation is A) The long neck of a giraffe. B) Penguins huddling together for warmth. C) A camel's hump used to store water. D) A polar bear's white fur used for camouflage. Show Answer Correct Answer: B) Penguins huddling together for warmth. 4. Scientists have discovered a new species of fox that has larger than average ears and is nocturnal. In which biome would this new species of fox most likely be found? A) Desert. B) Tundra. C) Deciduous forest. D) Tropical rain forest. Show Answer Correct Answer: A) Desert. 5. Coyotes eat rabbits. Rabbits eat clover. What would most likely happen if the population of coyotes decreases? A) The rabbits and clover would decrease. B) The rabbits and clover would increase. C) The rabbits would increase, but the clover would decrease. D) The rabbits would decrease, but the clover would increase. Show Answer Correct Answer: C) The rabbits would increase, but the clover would decrease. 6. An animal that hunts for its food A) Prey. B) Predator. C) Producer. D) Decoposer. Show Answer Correct Answer: B) Predator. 7. What are 3 limiting factors? A) Food, space, and water. B) Food, space, and weather. C) Sun, moon, and earth. D) Sine, cosine, and tangent. Show Answer Correct Answer: B) Food, space, and weather. 8. An owl eats a field mouse. In this scenario, the owl is known as the ..... A) Prey. B) Predator. C) Parasite. D) Keystone Species. Show Answer Correct Answer: B) Predator. 9. Which is a non-living part of an ecosystem? A) Sunlight. B) Air. C) Water. D) All of these. Show Answer Correct Answer: D) All of these. 10. Which of the following is not an abiotic factor that can affect populations? A) Temperature. B) Light intensity. C) Moisture levels. D) Competition. Show Answer Correct Answer: D) Competition. 11. Which major biome is home to cacti, brittle bushes, small reptiles, and coyotes? A) Desert. B) Taiga. C) Tundra. D) Grassland. Show Answer Correct Answer: A) Desert. 12. What conservation technique was used to recovery the population of wolves in 1995? A) Reintroduction. B) Reincarnation. C) Captive Breeding. D) None of above. Show Answer Correct Answer: A) Reintroduction. 13. A model of the feeding relationships between many different consumers and producers in an ecosystem A) Food chain. B) Ecosystem. C) Food web. D) Energy pyramid. Show Answer Correct Answer: C) Food web. 14. True or false:No light penetrates to the bathypelagic, abyssopelagic and hadopelagic zones. A) True. B) False. Show Answer Correct Answer: A) True. 15. What gas does burning things release into the atmosphere? A) Oxygen. B) Carbon dioxide. C) Nitrogen. D) Diethylchlorofloromethane. Show Answer Correct Answer: B) Carbon dioxide. 16. Excessive use, of species that have economic value is a factor increasing the current rate of extinction. A) Overexploitation. B) Habitat Loss. C) Destruction of Habitat. D) Disruption of Habitat. E) Pollution. Show Answer Correct Answer: A) Overexploitation. 17. Organisms must have food because A) Food is a source of energy. B) Food supplies cells with oxygen. C) Organisms never make their own food. D) All of the above. Show Answer Correct Answer: A) Food is a source of energy. 18. A species that has an unusually large impact on its food web or ecosystem A) Capstone Species. B) Predator Species. C) Keystone Species. D) Producer. Show Answer Correct Answer: C) Keystone Species. 19. What type of relationship is described below? A lucky alligator spots a deer drinking water, attacks the deer, kills it, and eats it for food. What type of relationship do the alligator and deer have? A) Predation. B) Mutualism. C) Commensalism. D) Competition. Show Answer Correct Answer: A) Predation. 20. An organism that feeds on dead and decaying matter A) Autotroph. B) Heterotroph. C) Decoposer. D) Scavenger. Show Answer Correct Answer: D) Scavenger. ← 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