This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 223 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 223 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Like other consumers, all of the food energy that humans use once came from the ..... A) Sun. B) Soil. C) Moon. D) Ocean. Show Answer Correct Answer: A) Sun. 2. All of the following are renewable energy options except A) Wind power. B) Solar power. C) Geothermal. D) Gas. Show Answer Correct Answer: D) Gas. 3. Why is biodiversity important? A) It removes mercury and other pollutants. B) It stops acid rain. C) It creates more fossil fuels. D) Biodiversity helps an ecosystem survive impacts such as natural disasters or human impact. Show Answer Correct Answer: D) Biodiversity helps an ecosystem survive impacts such as natural disasters or human impact. 4. A heterotroph A) Cannot make its own food. B) Is able to make its food. Show Answer Correct Answer: A) Cannot make its own food. 5. These organisms are often not shown in a food chain, but are important for recycling nutrients A) Producers. B) Decomposers. C) Primary consumers. D) Carnivores. Show Answer Correct Answer: B) Decomposers. 6. Environmental emergency A) Environmental emergency. B) Environmental pollution. C) Environmental protection. D) Flood. Show Answer Correct Answer: A) Environmental emergency. 7. Which of the following is not a biotic factor that limits other organisms in its environment? A) Competition. B) Predator-prey relationships. C) Temperature. D) Disease. Show Answer Correct Answer: C) Temperature. 8. Boa constrictors constricting their food is an example of A) Prey adaptations. B) Predator adaptations. Show Answer Correct Answer: B) Predator adaptations. 9. Largest number of individuals for a species that an ecosystem can support A) Carrying Capacity. B) Biotic Potential. Show Answer Correct Answer: A) Carrying Capacity. 10. ENVIRONMENT is defined as: A) The group of elements that interact in a specific place and time. B) The group of elements that exist among humans. C) The group of elements that interact among animals. D) The group of elements that interact between plants and animals. Show Answer Correct Answer: A) The group of elements that interact in a specific place and time. 11. An autotroph feeds on other organisms? A) True. B) False. Show Answer Correct Answer: B) False. 12. What type of symbiosis? *Gall Insects lays their eggs in the leaves or branches of Oak trees causing a lump to form. *Oak trees provide shelter and food to the insect larvae, but are not harmed. A) Commensalism. B) Mutualism. C) Parasitism. D) Predation. Show Answer Correct Answer: A) Commensalism. 13. Soil is an example of a A) Biotic factor. B) Abiotic factor. C) Competition. D) Herbivorous. Show Answer Correct Answer: B) Abiotic factor. 14. Primary Succession A) Development of a population that was previously inhabited. B) Development of a population that was previously uninhabited. C) Development of a community that was previously uninhabited. D) Development of a community that was previously inhabited. Show Answer Correct Answer: C) Development of a community that was previously uninhabited. 15. In a food web the arrow always points to A) The consumer. B) The prey. C) Producer. D) Autotroph. Show Answer Correct Answer: A) The consumer. 16. Wet A) Wet. B) Dry. C) Throw. D) Eat. Show Answer Correct Answer: A) Wet. 17. Which explains why secondary succession generally occurs more quickly than primary succession? A) Average precipitation is higher. B) Moderate climate conditions exist. C) Pioneer species are microscopic. D) There is still soil present. Show Answer Correct Answer: D) There is still soil present. 18. Approximately how much energy is lost at each trophic level A) 5%. B) 10%. C) 1%. D) None of above. Show Answer Correct Answer: B) 10%. 19. Scavengers include vultures and raccoons. A) True. B) False. Show Answer Correct Answer: A) True. 20. A relationship between two organisms where both organisms are relying on the same limited resources is known as ..... A) A Competition Relationship. B) Mutualism. C) A Parasitic Relationship. D) Commensalism. Show Answer Correct Answer: A) A Competition Relationship. ← 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