This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 99 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 99 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Movement of individuals out of a population A) Immigration. B) Emigration. Show Answer Correct Answer: B) Emigration. 2. Which of the following is biotic A) Wind. B) Rain. C) Trees. D) Temperature. Show Answer Correct Answer: C) Trees. 3. A certain plant needs moisture, carbon dioxide, oxygen, light, and minerals to survive. This scenario shows that this particular living organism depends on . A) Biotic and Abiotc Factors. B) Biotic Factors. C) Abiotic Factors. D) None of the Above. Show Answer Correct Answer: C) Abiotic Factors. 4. Does an invasive species normally increase or decrease biodiversity in an ecosystem? A) Increase. B) Decrease. Show Answer Correct Answer: B) Decrease. 5. Animals, such as fiddler crabs, advertise the size of their enlarged claw to intimidate their rivals. This territorial display is an example of what type of relationship? A) Predation. B) Commensalism. C) Competition. D) Mutualism. Show Answer Correct Answer: C) Competition. 6. Which of the two types of limiting factors depend on the density of the population? These factors include competition, predation, parasitism, and disease. A) Density Dependent limiting factors. B) Density Independent Limiting factors. Show Answer Correct Answer: A) Density Dependent limiting factors. 7. A given food web includes hawks, grasses, foxes, and rabbits. Which organisms are primary consumers in this food web? A) Hawks. B) Rabbits. C) Foxes. D) Grasses. Show Answer Correct Answer: B) Rabbits. 8. Different layers of soil A) Soil profile. B) Soil composition. C) Soil texture. D) None of above. Show Answer Correct Answer: A) Soil profile. 9. What is a energy pyramid? A) An organism that makes its own food. B) Cupcake. C) Eat both plants and animals. D) Graphical representation showing the amount of energy at each trophic level in an ecosystem. Show Answer Correct Answer: D) Graphical representation showing the amount of energy at each trophic level in an ecosystem. 10. What happens to the amount of stored energy as you move up the food chain? A) The amount of energy goes up, since it's not used by organisms. B) The amount of energy goes down, since it's used up by organisms. C) The amount of energy stays the same. D) The energy disappears. Show Answer Correct Answer: B) The amount of energy goes down, since it's used up by organisms. 11. Which of the following lists the level of biological organization in order, from least inclusive to most inclusive? A) Individual, community, population, ecosystem, biosphere, biome. B) Individual, population, community, ecosystem, biome, biosphere. C) Individual, community, ecosystem, population, biome, biosphere. D) Individual, population, ecosystem, community, biosphere, biome. Show Answer Correct Answer: B) Individual, population, community, ecosystem, biome, biosphere. 12. This biome is located in high elevations and is usually treeless. The animals here include the big horn sheep and mountain goats ..... A) Alpine Tundra. B) Taiga. C) Arctic Tundra. D) Rainforest. Show Answer Correct Answer: C) Arctic Tundra. 13. Which of the lake zone does not receives light and mostly dominated by bacteria? A) Photic zone. B) Aphotic zone. C) Benthic zone. D) None of above. Show Answer Correct Answer: C) Benthic zone. 14. CO2, methane, and water vapor in the earth's atmosphere absorbs heat. This natural process is known as the ..... A) Greenhouse effect. B) Climate change/Global warming. C) Ozone depletion. D) Acid rain. E) Biomagnification. Show Answer Correct Answer: A) Greenhouse effect. 15. ..... things don't need sunlight, water, and nutrients to live. A) Living. B) Non-living. C) Biotic. D) None of above. Show Answer Correct Answer: B) Non-living. 16. Distance in degrees north or south of the equator A) Latitude. B) Longitude. Show Answer Correct Answer: A) Latitude. 17. ..... is when two species live closely together. A) Symbiosis. B) Resource. C) Succession. D) Mutualism. Show Answer Correct Answer: A) Symbiosis. 18. Energy flows through an ecosystem and is transferred as ....., but chemical elements are ..... A) Light, heat. B) Heat, lost. C) Light, gained. D) Heat, recycled. Show Answer Correct Answer: D) Heat, recycled. 19. A mutation occurs at the midpoint of a gene, altering all amino acids encoded after the point of mutation. Which mutation could have produced this change? A) Deletion of two nucleotides. B) Deletion of three nucleotides. C) Insertion of six nucleotides. D) Insertion of twelve nucleotides. Show Answer Correct Answer: A) Deletion of two nucleotides. 20. How do animals depend on plant for survival? A) Animals help spread seeds of plants for new growth. B) Animals are producers in a food web. C) Plants and animals need sunlight to survive. D) Animals eat plants and other animals that eat plants for food. Show Answer Correct Answer: D) Animals eat plants and other animals that eat plants for food. ← 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