This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 113 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 113 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The process in which water vapor changes to tiny droplets of liquid water A) Condensation. B) Precipitation. Show Answer Correct Answer: A) Condensation. 2. First species to arrive in an area A) Invasive species. B) Abiotic components. C) Pioneer species. D) Parasites. Show Answer Correct Answer: C) Pioneer species. 3. A fish is ..... A) Biotic. B) Abiotic. C) Producer. D) Niche. Show Answer Correct Answer: A) Biotic. 4. Ohio would be considered what biome? A) Coniferous rainforest. B) Temperate deciduous rainforest. C) Grassland. D) Shrubland. Show Answer Correct Answer: B) Temperate deciduous rainforest. 5. Natural catastrophes can upset the balance of an ecosystem. A) True. B) False. Show Answer Correct Answer: A) True. 6. What is the area underground where there is not any water? A) Zone of Saturation. B) Zone of Aeration. C) Water. D) None of above. Show Answer Correct Answer: B) Zone of Aeration. 7. Which of the following is a carnivore? A) Rabbit. B) Tiger. C) Giraffe. D) None of above. Show Answer Correct Answer: B) Tiger. 8. Competition between two species occurs when: A) Mutualistic symbiosis occurs. B) One animal feeds on the remains of an animal killed by a car. C) Two animals eat the same food in the same place at the same time. D) None of above. Show Answer Correct Answer: C) Two animals eat the same food in the same place at the same time. 9. Which of these BEST describes how some birds survive when the weather gets cold? A) They store twigs and sticks in their nest. B) They migrate to a warmer climate. C) They grow more feathers to stay warm in the winter. D) They hide in bushes and wait for warm weather. Show Answer Correct Answer: B) They migrate to a warmer climate. 10. What organisms carry out nitrogen fixation? A) Fungi. B) Bacteria. C) Humans. D) Plants. Show Answer Correct Answer: B) Bacteria. 11. Mutualism means: A) Benefits the primary consumer. B) Benefits one population. C) Benefits both species. D) None of above. Show Answer Correct Answer: C) Benefits both species. 12. Which are examples of biotic factors? A) Sun, water, temperature. B) Predators, food (plants), competition. C) Carbon dioxide, nitrogen, phosphorous. D) Any nonliving factor. Show Answer Correct Answer: B) Predators, food (plants), competition. 13. Many overlapping food chains in an ecosystem is a A) Food chain. B) Food web. Show Answer Correct Answer: B) Food web. 14. Affects the amount of water that can be absorbed and used by plants and animals. A) Soil profile. B) Soli composition. C) Particle size. D) None of above. Show Answer Correct Answer: C) Particle size. 15. Carbon dioxide is removed from the atmosphere by A) Combustion. B) Decomposition. C) Photosynthesis. D) Respiration. Show Answer Correct Answer: C) Photosynthesis. 16. Population density is A) The number of people in your house. B) The number of people in a school. C) The number of individuals per unit of area. D) The number of individuals in a mile. Show Answer Correct Answer: C) The number of individuals per unit of area. 17. What best describes the relationship between bees and flowering plants. A) Mutualism. B) Parasitism. C) Neutralism. D) Commensalism. Show Answer Correct Answer: A) Mutualism. 18. Anything that can decrease the size of a population including living (biotic) and non living (abiotic) features of an ecosystem such as predators and drought. A) Limiting factor. B) Habitat. C) Ecosystem. D) Carrying capacity. Show Answer Correct Answer: A) Limiting factor. 19. The process of natural selection leads to genetic change in a population.Which factor causes the population to change in natural selection? A) Environmental conditions or challenges. B) Individual choice. C) Human intervention. D) Migration over long distances. Show Answer Correct Answer: A) Environmental conditions or challenges. 20. Which are examples of consumers? A) Grass and cows. B) Turtles and seaweed. C) Owls and bears. D) Sun and mushrooms. Show Answer Correct Answer: C) Owls and bears. ← 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