This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 117 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 117 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 2 factors which increase population size A) Birth Rate, Immigration. B) Death Rate, Immigration. C) Birth Rate, Emigration. D) Death Rate, Emigration. Show Answer Correct Answer: A) Birth Rate, Immigration. 2. In an energy pyramid, which level has the most available energy? A) Producer level. B) Primary consumer. C) Secondary consumer. D) Tertiary consumer. Show Answer Correct Answer: A) Producer level. 3. How does energy usually flow in ecosystems? A) From consumers through the Sun to producers. B) From the Sun through producers to consumers. C) From producers through the Sun to consumers. D) From the Sun through consumers to producers. Show Answer Correct Answer: B) From the Sun through producers to consumers. 4. The countryside is considered a ..... area. A) Urban. B) Rural. C) Barter. D) Producer. Show Answer Correct Answer: B) Rural. 5. Bacteria fix nitrogen from the atmosphere into a form plants can use. A) True. B) False. Show Answer Correct Answer: A) True. 6. The animal that is hunted and caught for food A) Predator. B) Prey. C) Parasite. D) Autotroph. Show Answer Correct Answer: B) Prey. 7. What is an indicator species? A) The study of interactions between organisms and the environment. B) A species that is sensitive to the environment. C) The place where an organism lives in a community. D) All the organisms of the same species living in the same place at the same time. Show Answer Correct Answer: B) A species that is sensitive to the environment. 8. Who introduced the term population to science? A) Russian scientist S. Severtsev. B) English biologist R.T. Hudson. C) German scientist N.A. Andersen. D) Russian soil scientist. E) Danish biologist, geneticist VL Johansen. Show Answer Correct Answer: E) Danish biologist, geneticist VL Johansen. 9. Condensation forms ..... in the cool atmosphere. A) Wind. B) Clouds. C) Lightning. D) Tornadoes. Show Answer Correct Answer: B) Clouds. 10. Is sugar (C12H22O11) an element or a compound? A) Element. B) Compound. Show Answer Correct Answer: B) Compound. 11. Parasitism is when ..... A) One organism in a relationship benefits while the other is harmed. B) Both organisms benefit. C) One organism benefits while the other isn't effected. D) A brick wall stands in the way. Show Answer Correct Answer: A) One organism in a relationship benefits while the other is harmed. 12. Plants release water into the atmosphere by A) Photosynthesis. B) Transpiration. C) Perspiration. D) Respiration. Show Answer Correct Answer: B) Transpiration. 13. Organisms that have low death rates during early and middle life with an increase in death rates in older age groups have a type ..... survivorship curve. A) I. B) II. C) III. D) None of above. Show Answer Correct Answer: A) I. 14. A biotic factors is: A) A non-living organic molecule affecting and ecosystem. B) A non-living factor affecting ecosystems such as sunlight. C) A living factor that affects ecosystems such as the number of prey available. D) A living molecule affecting an ecosystem. Show Answer Correct Answer: C) A living factor that affects ecosystems such as the number of prey available. 15. What does a food web represent? A) The specific ways that mutualism is carried out. B) A single pathway or energy flow between organisms. C) How carnivores get their food. D) All connections of energy flow throughout all organisms in a habitat. Show Answer Correct Answer: D) All connections of energy flow throughout all organisms in a habitat. 16. What is a transect? A) A square frame enclosing a known area. B) The distribution of an organism. C) A line used to help find out how organisms are distributed. D) An insect. Show Answer Correct Answer: C) A line used to help find out how organisms are distributed. 17. An organism that uses what scavengers leave behind is a A) Herbivore. B) Carnivore. C) Decoposer. D) Omnivore. Show Answer Correct Answer: C) Decoposer. 18. In an exponential growth model, the line resembles a/an ..... A) J. B) V. C) S. D) L. Show Answer Correct Answer: A) J. 19. Which of the following is a grassland area in Central Africa with only a few trees like in the Lion King? A) Temperate Grassland. B) Temperate Forest. C) Taiga. D) Savanna. Show Answer Correct Answer: D) Savanna. 20. The efficiency of energy transfer from a lower trophic level to the next highest level is roughly A) 1%. B) 10%. C) 100%. D) 1000%. Show Answer Correct Answer: B) 10%. ← 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