This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 238 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 238 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A primary consumer is considered an? A) Omnivore. B) Decoposer. C) Herbivore. D) Carnivore. Show Answer Correct Answer: C) Herbivore. 2. If a population grows larger than the carrying capacity of the environment, the population is likely to A) Decrease. B) Increase. C) Stay the same. D) None of above. Show Answer Correct Answer: A) Decrease. 3. What activity is increasing green house gases? A) Ocean and air currents. B) Volcanic activity. C) Plants activity. D) Human activity. Show Answer Correct Answer: D) Human activity. 4. How do turtles release excess salt? A) Through tears. B) Through their nose-sneezing. C) Through their sweat. D) Through their tongue. Show Answer Correct Answer: A) Through tears. 5. What type of symbiosis? *Hookworms can enter the body, live off of the host's blood. *The host can suffer from blood loss, anemia and iron deficiency. A) Commensalism. B) Mutualism. C) Parasitism. D) Predation. Show Answer Correct Answer: C) Parasitism. 6. What fraction of amphibians are threatened with extinction A) 1/10. B) 1/2. C) 1/3. D) None of above. Show Answer Correct Answer: C) 1/3. 7. Which is a problem with using wind turbines to produce energy? A) Wind turbines are efficient only in certain areas. B) Wind turbines occupy a small area of land. contracts. C) Wind turbines produce a large amount of energy. D) Wind turbines create a large amount of pollution. Show Answer Correct Answer: A) Wind turbines are efficient only in certain areas. 8. All the populations in an ecosystem are called A) Population. B) Ecosystem. C) Community. D) Niche. Show Answer Correct Answer: C) Community. 9. When ONE species/organism BENEFITS and the other organism is NOT HARMED or HELPED A) Commensalism. B) Mutualism. C) Parasitism. D) Predation. Show Answer Correct Answer: A) Commensalism. 10. Eats producers A) Carnivores. B) Herbivores. C) Omnivores. D) Consumers. Show Answer Correct Answer: B) Herbivores. 11. As you move up an energy pyramid, energy is ..... A) Lost. B) Gained. C) Mixed. D) Eaten. Show Answer Correct Answer: A) Lost. 12. Just one species in a given area is called a A) Community. B) Population. C) Habitat. D) None of above. Show Answer Correct Answer: B) Population. 13. Which of the following is NOT a conservation method used to maintain biodiversity? A) Sperm bank. B) Botanic garden. C) Protected reserve. D) Genetic engineering. Show Answer Correct Answer: D) Genetic engineering. 14. Ecology A) Study of Earth. B) Study of Everything. C) Study of Ecosystem. D) None of above. Show Answer Correct Answer: C) Study of Ecosystem. 15. All the living organisms in an area together with the non-living environment. A) Biosphere. B) Population. C) Community. D) Ecosystem. Show Answer Correct Answer: D) Ecosystem. 16. Carnivores that eat freshly dead organisms are A) Herbivores. B) Decomposers. C) Omnivores. D) Scavengers. Show Answer Correct Answer: D) Scavengers. 17. A ..... is a large area characterized by its climate and the plants and animals that live in the area A) Stadium. B) Biome. C) Oasis. D) Wasteland. Show Answer Correct Answer: B) Biome. 18. If trophic level 1 has 450, 000 kcal how much energy would be at trophic level 4? A) 45, 000. B) 4, 500. C) 450. D) 45. Show Answer Correct Answer: C) 450. 19. True or False:Healthy ecosystems have many species that interact with eachother in a variety of ways, to form a web of relationships. A) False. B) True. Show Answer Correct Answer: B) True. 20. Processes responsible for the transformation an recuperation of the bioelements of nature within the biosphere A) Life Cycles. B) Geological Cycles. C) Ecological Succession. D) Biogeochemical Cycles. Show Answer Correct Answer: D) Biogeochemical Cycles. ← 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