This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 241 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 241 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Antibiotics do not work on A) Bacteria. B) Viruses. C) Fungi. D) Children. Show Answer Correct Answer: B) Viruses. 2. What is the third level of a food chain? A) Producer. B) Primary consumer. C) Secondary consumer. D) Decoposer. Show Answer Correct Answer: C) Secondary consumer. 3. Bees and a flower. A) Mutualism. B) Commensalism. C) Parasitism. D) None of above. Show Answer Correct Answer: A) Mutualism. 4. A species that has been moved to a new ecosystem and is causing damage to that ecosystem is called a(n) A) Consuming species. B) Introduced species. C) Invasive species. D) Migrating species. Show Answer Correct Answer: C) Invasive species. 5. Introduced species disrupt ecosystems because they are a/an A) Keystone Species. B) Endemic Species. C) Invasive Species. D) Native Species. Show Answer Correct Answer: C) Invasive Species. 6. All of the following are density-independent factors that limit populations EXCEPT A) Hurricane. B) Competition. C) Tornado. D) Pollution. E) Deforestation. Show Answer Correct Answer: B) Competition. 7. Behaviors or physical characteristics that make an organism survive in its environment A) Natural selection. B) Adaptations. C) Niche. D) Traits. Show Answer Correct Answer: B) Adaptations. 8. What do you understand by ecology? A) The environment is scientific and allows us to study. B) It is a science of ecobiosystems. C) It is a science that studies the relationships between living beings and their environments. D) None of the options. Show Answer Correct Answer: C) It is a science that studies the relationships between living beings and their environments. 9. The number of wild horses per square kilometer in a prairie is the horse population's A) Density. B) Dispersion. C) Size. D) Birthrate. Show Answer Correct Answer: A) Density. 10. Which of the following human activities negatively affect the environment?I ReforestationII DeforestationIII Building nature reservesIV Burning fossil fuels A) I and II only. B) I and III only. C) II and IV only. D) III and IV only. Show Answer Correct Answer: C) II and IV only. 11. The greatest biodiversity on earth is found in the ..... biome. A) Taiga. B) Grassland. C) Temperate deciduous forest. D) Tropical rainforest. Show Answer Correct Answer: D) Tropical rainforest. 12. An abiotic factor that limits a population size would be? A) Food. B) Predators. C) Space. D) Disease. Show Answer Correct Answer: C) Space. 13. Which is a PRO of selective breeding? A) It tries to establish and maintain certain stable traits that animals or crops will pass to the next generation. B) By not allowing some animals to bread, their genes could be lost forever in a population. C) Can create animal discomfort. D) None of above. Show Answer Correct Answer: A) It tries to establish and maintain certain stable traits that animals or crops will pass to the next generation. 14. Example of biosphere A) Hydrosphere. B) Lithosphere. C) Atmosphere. D) All above. Show Answer Correct Answer: D) All above. 15. How does a bird prepare it body before migrating? A) They get super thin before migrating. B) It flies around as much as it can using all its energy. C) It doubles its weight before migration. D) It sits still on a branch and waits for food. Show Answer Correct Answer: C) It doubles its weight before migration. 16. The process where plants make food A) Photocopy. B) Photosynthesis. C) Photosynthesis. D) Photographer. Show Answer Correct Answer: B) Photosynthesis. 17. Which of the following is an example of a hawksbill interacting with an abiotic factor? A) Hawksbill digs a nest in the sand. B) Hawksbill eats a sea sponge. C) Hawksbill mates with another hawksbill. D) Hawksbill gets attacked by a shark. Show Answer Correct Answer: A) Hawksbill digs a nest in the sand. 18. Which of the following is not a method used by ecologist to study the environment? A) Obervation. B) Experimentation. C) Modeling. D) All are used. Show Answer Correct Answer: D) All are used. 19. What makes an energy pyramid different than a food web or chain? A) It shows energy flowing from the top of the chain and downward. B) The tropic levels are the opposite. C) It shows the amount of energy in each trophic level. D) It shows specific predator/prey relationships. Show Answer Correct Answer: C) It shows the amount of energy in each trophic level. 20. What level of organization is it when a hawk's feathers help to camouflage it A) Ecosysten. B) Population. C) Individual. D) Community. Show Answer Correct Answer: C) Individual. ← 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