This quiz works best with JavaScript enabled. Home > Science > Ecology โ Quiz 250 ๐ Homepage ๐ Download PDF Books ๐ Premium PDF Books Ecology Quiz 250 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An organism that breaks down dead organisms and returns nutrients to the soil is called a(n). A) Herbivore. B) Omnivore. C) Carnivore. D) Decoposer. Show Answer Correct Answer: D) Decoposer. 2. Energy A) Ability to do work. B) Ability to study. C) Ability to exercise. D) None of above. Show Answer Correct Answer: A) Ability to do work. 3. Bear is ..... A) Herbivore. B) Carnivore. C) Omnivore. D) None of above. Show Answer Correct Answer: C) Omnivore. 4. If plants die. What will animals run out of? A) Carbon dioxide. B) Water. C) Oxygen. D) None of above. Show Answer Correct Answer: C) Oxygen. 5. An aquatic biome with a high amount of salt. It covers most of the surface of the earth. Which one is it? A) Ponds. B) Estuary. C) Marine. D) Fresh water. Show Answer Correct Answer: C) Marine. 6. Exotic or invasive species leads to all of these problems except A) Increased biodiversity. B) Loss of biodiversity. C) Disease. D) Loss of native species. Show Answer Correct Answer: A) Increased biodiversity. 7. What special adaptations do intertidal species have? A) To resist UV rays. B) To survive exposure to air. C) To survive heavy waves. D) Exposure to air AND survive heay waves. Show Answer Correct Answer: D) Exposure to air AND survive heay waves. 8. This diagram shows the amount of energy that moves from one feeding level to another in a food web. A) Energy Pyramid. B) Food Web. C) Ecosystem. D) Food Chain. Show Answer Correct Answer: A) Energy Pyramid. 9. Ecology major is the study of ecology at the individual level. What level of education is this? A) Organism เนเธฅเธฐ community. B) Organ and organism. C) Community เนเธฅเธฐ population. D) Organism and population. Show Answer Correct Answer: D) Organism and population. 10. Which major biome's lack of precipitation limits plant grow and is home to cacti, mesquite, white thorn, pack rats, small reptiles, birds, antelope, lizards, fox, snakes, bob cats and coyotes? A) Desert. B) Taiga. C) Tundra. D) Grassland. Show Answer Correct Answer: A) Desert. 11. All biotic and abiotic factors are ..... A) Different. B) Connected. C) Identical. D) Word Individually. Show Answer Correct Answer: B) Connected. 12. What is the process during which water cools and turns from a gas to a liquid? A) Condensation. B) Runoff. C) Precipitation. D) Evaporation. Show Answer Correct Answer: A) Condensation. 13. Is Climate Change false and invented by scientology to destroy capitalism? A) If you answer "yes" you have failed as a rational human:(. B) Yes. C) This question is just a joke obviously:D. D) NO. Show Answer Correct Answer: D) NO. 14. Both prokaryotes and eukaryotes A) Have a nucleus. B) Have DNA. C) Do not have DNA. D) Have DNA in the form of chromosomes. Show Answer Correct Answer: B) Have DNA. 15. The VARIETY of life on Earth A) Biodiversity. B) Biosphere. C) Population. D) Carrying Capacity. Show Answer Correct Answer: A) Biodiversity. 16. Mites living on the outer surface of human skin obtain food by eating dead skin cells and neither harm nor benefit. A) Mutualism. B) Commensalism. C) Parasitism. D) Evolution. Show Answer Correct Answer: B) Commensalism. 17. Biome with decent moisture, trees that lose leaves, like SRR: A) Temperate Deciduous Forests. B) Desert. C) Temperate Rainforests. D) Grasslands. E) Tropical Savanna. Show Answer Correct Answer: A) Temperate Deciduous Forests. 18. The interaction between animals of the same species, generally involving some form of communication. A) Innate behavior. B) Response. C) Reflex. D) Social behavior. Show Answer Correct Answer: D) Social behavior. 19. Bacteria fix nitrogen on plant roots. Plant roots provide sugar to bacteria. This is an example of A) Mutualism. B) Parasitism. C) Commensalism. D) Competition. Show Answer Correct Answer: A) Mutualism. 20. What happens when a population overgrows the carrying capacity? A) The death rate rises. B) The birth rate rises. C) The death rate falls. D) The birth rate doubles. Show Answer Correct Answer: A) The death rate rises. โ PreviousNext โRelated QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8Ecology Quiz 9Ecology Quiz 10 ๐ Back to Homepage ๐ Download PDF Books ๐ Premium PDF Books