This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 75 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 75 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A chimpanzee eats fruits, nuts, leaves, and small mammals. What kind of organism is a chimpanzee? A) Carnivore. B) Decoposer. C) Producer. D) Omnivore. Show Answer Correct Answer: D) Omnivore. 2. Choose the correct sequence for energy flow within an ecosystem A) Herbivores $\rightarrow$ producers $\rightarrow$ carnivores $\rightarrow$ scavengers. B) Producers $\rightarrow$ herbivores $\rightarrow$ carnivores $\rightarrow$ scavengers. C) Producers $\rightarrow$ carnivores $\rightarrow$ herbivores $\rightarrow$ scavengers. D) Carnivores $\rightarrow$ scavengers $\rightarrow$ herbivores $\rightarrow$ producers. Show Answer Correct Answer: B) Producers $\rightarrow$ herbivores $\rightarrow$ carnivores $\rightarrow$ scavengers. 3. Chemical laboratory A) Chemical reaction. B) Chemical nomenclature. C) Chemistry laboratory. D) Chemical analysis. Show Answer Correct Answer: C) Chemistry laboratory. 4. In a properly written scientific name, which part is lowercase? A) Species. B) Genus. Show Answer Correct Answer: A) Species. 5. An energy pyramid gets smaller at the top because: A) No energy is lost as you move up the food chain. B) There are more consumers than producers. C) The amount of energy decreases as you move up the food chain. D) It takes more plants to feed a rabbit than it does to feed a bear. Show Answer Correct Answer: C) The amount of energy decreases as you move up the food chain. 6. Living parts of an ecosystem are called ..... Examples include plants, animals, fungi, bacteria, and protists like algae. A) Biotic factors. B) Abiotic factors. C) Crazy critters. D) Animals and plants. Show Answer Correct Answer: A) Biotic factors. 7. A biome is defined by its A) Elevation and soil. B) Plant and animal species. C) Latitude and longitude. D) Climate and plant life. Show Answer Correct Answer: D) Climate and plant life. 8. Acid rain has a pH LESS than A) 6. B) 7. C) 8. D) 3. Show Answer Correct Answer: A) 6. 9. How do animals contribute to the amount of atmospheric carbon? A) Not at all. B) Photosynthesis. C) Respiration. D) None of above. Show Answer Correct Answer: C) Respiration. 10. What is the relationship between two variables? A) Positive correlation. B) Negative correlation. C) No correlation. D) None. Show Answer Correct Answer: B) Negative correlation. 11. Place the levels of environment in the correct order. A) Biome, biosphere, population, organism, ecosystem, community. B) Organism, ecosystem, biosphere, population, community, biome. C) Organism, population, community, ecosystem, biome, biosphere. D) Population, community, organism, biome, ecosystem, biosphere. Show Answer Correct Answer: C) Organism, population, community, ecosystem, biome, biosphere. 12. A relationship where one organism benefits and one organism is unaffected is called ..... A) Mutualism. B) Commensalism. C) Parasitism. D) None of above. Show Answer Correct Answer: B) Commensalism. 13. What is an increase of biodiversity over time, after a natural or manmade disturbance? A) Ecological recession. B) Climax recession. C) Ecological succession. D) Climax succession. Show Answer Correct Answer: C) Ecological succession. 14. Water evaporating from the surface of a lake moves from the ..... A) Atmosphere to the geosphere. B) Geosphere to the hydrosphere. C) Hydrosphere to the atmosphere. D) Atmosphere to the hydrosphere. Show Answer Correct Answer: C) Hydrosphere to the atmosphere. 15. Semiconductors are ..... A) Metal. B) Nonmetal. C) Metalloids. D) None of above. Show Answer Correct Answer: C) Metalloids. 16. It is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. A) Ecology. B) Ecosystem. C) Biome. D) Habitat. Show Answer Correct Answer: B) Ecosystem. 17. What is the difference between primary and secondary consumers in a food chain? A) Primary consumers eat producers, secondary consumers eat primary consumers. B) Primary consumers eat secondary consumers, secondary consumers eat producers. C) Primary consumers and secondary consumers eat the same organisms. D) There is no difference between primary and secondary consumers. Show Answer Correct Answer: A) Primary consumers eat producers, secondary consumers eat primary consumers. 18. Nitrogen fixation is A) The process of converting nitrogen gas into enegy. B) The process of converting nitrogen gas into ammonia. C) The process of conveting nitrogen gas into water. D) The process of converting nitrogen gas into a solid. Show Answer Correct Answer: B) The process of converting nitrogen gas into ammonia. 19. Which of the following examples shows the indirect value of biodiversity conservation? A) Obtaining lumber from forest trees. B) Obtaining medicinal products from plants. C) Generating an income for the guides of nature tours. D) Enjoying recreational activities in natural environments. Show Answer Correct Answer: D) Enjoying recreational activities in natural environments. 20. An aquarist takes half of the fish out of a tank, and the remaining fish grow larger and are healthier. Which factor was most likely affecting the fish? A) Water. B) Space. C) Shelter. D) Food. Show Answer Correct Answer: B) Space. ← 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