This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 270 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 270 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Slight differences in inherited traits in individual organisms in a species A) Natural selection. B) Variations. C) Competition. D) Camouflage. Show Answer Correct Answer: B) Variations. 2. Which relationship is referring an interaction in which one organism kills another for food or nutrients? A) Symbiosis. B) Predator-Prey. C) Parasite-Host. D) Parasitism. Show Answer Correct Answer: B) Predator-Prey. 3. Select the right translation:to throw away A) Dismiss. B) Jeter. C) Scatter. D) Exceed. Show Answer Correct Answer: B) Jeter. 4. Just like energy, matter is lost as it passes through an ecosystem. A) True. B) False. Show Answer Correct Answer: B) False. 5. Which two Biome is the most biologically diverse A) Tropical Rain Forest and coral reefs. B) Desert and tundra. C) Tundra and grassland. D) Tropical Savanna and tropical rainforest. Show Answer Correct Answer: A) Tropical Rain Forest and coral reefs. 6. A type of symbiosis in which one organism benefits and the other in neither benefited nor hurt is ..... A) Symbiosis. B) Parasitism. C) Commensalism. D) Mutualism. Show Answer Correct Answer: C) Commensalism. 7. Select all the following answers for:Ecology is the study of A) Ecosystems and how many different species interact in an environment. B) Micro organisms. C) Non-living factors. D) Echolocation by dolphins and whales. Show Answer Correct Answer: A) Ecosystems and how many different species interact in an environment. 8. Which of these is a biotic factor in a river ecosystem? A) The types of microorganisms that live in the river water. B) The amount of soil and other particles carried by the river. C) The speed at which the river water flows toward the ocean. D) The amount of rain that flows off the land and into the river. Show Answer Correct Answer: A) The types of microorganisms that live in the river water. 9. ..... is a series of organized changes in an ecosystem over time. A) Evolution. B) Mutation. C) Succession. D) None of above. Show Answer Correct Answer: C) Succession. 10. Relationship in which one organism benefits at the expense of the other organism A) Parasitism. B) Symbiosis. C) Mutualism. D) None of above. Show Answer Correct Answer: A) Parasitism. 11. Organisms living here must have adaptations to tolerate being exposed to the atmosphere A) Photic Zone. B) Neritic Zone. C) Talk Zone. D) Intertidal Zoné. E) Oceanic Zone. Show Answer Correct Answer: D) Intertidal Zoné. 12. Indicate if the organisms below are herbivores, carnivores, or plants.secondary consumer A) Plants. B) Herbivores. C) Carnivores. D) None of above. Show Answer Correct Answer: C) Carnivores. 13. Water quality criteria A) Water quality criteria. B) Distilled water. C) Hard water. D) Water. Show Answer Correct Answer: A) Water quality criteria. 14. Ruby-throated hummingbirds live in woodland areas, but also frequent gardens where flowering plants are plentiful. They hover to feed on flowers, nectar, and sap. During this floral feeding process, the birds pollinate many plants. These tiny birds are omnivores, sometimes feeding on insects and spiders. A) Habitat of an autotroph. B) Niche of an autotroph. C) Niche of a heterotroph. D) Habitat of a heterotroph. Show Answer Correct Answer: C) Niche of a heterotroph. 15. What is an example of abiotic A) Fallen log. B) Frog. C) Sunlight. D) None of above. Show Answer Correct Answer: C) Sunlight. 16. What is the relationship between individuals of each species called? A) Homotypic connection. B) Useful communication. C) Heterotypic connection. D) Dishonesty. E) Eat together. Show Answer Correct Answer: C) Heterotypic connection. 17. Which level of consumer would the mountain lion NOT BE? A) Primary COnsumer. B) Secondary Consumer. C) Tertiary Consumer. D) Quaternary Consumer. Show Answer Correct Answer: A) Primary COnsumer. 18. Euglena is a unicellular organism that feeds on bacteria and uses CO2 as a carbon source. Which describes the nutrition of this organism? A) Autotrophic only. B) Heterotrophic only. C) Saprotrophic only. D) Autotrophic and heterotrophic. Show Answer Correct Answer: D) Autotrophic and heterotrophic. 19. Plants use nitrogen gas from the air to make organic compounds. A) True. B) False. Show Answer Correct Answer: B) False. 20. Which is an example of a seasonal change to a biotic factor? A) Temperatures get cooler in the fall. B) Hours of sunlight increase the summer. C) Birds fly south for the winter. D) Rainfall increases in the spring. Show Answer Correct Answer: C) Birds fly south for the winter. ← 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