This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 115 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 115 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. Condensation forms ..... in the cool atmosphere. A) Wind. B) Clouds. C) Lightning. D) Tornadoes. Show Answer Correct Answer: B) Clouds. 3. Is sugar (C12H22O11) an element or a compound? A) Element. B) Compound. Show Answer Correct Answer: B) Compound. 4. 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. 5. Plants release water into the atmosphere by A) Photosynthesis. B) Transpiration. C) Perspiration. D) Respiration. Show Answer Correct Answer: B) Transpiration. 6. 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. 7. 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. 8. 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. 9. 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. 10. An organism that uses what scavengers leave behind is a A) Herbivore. B) Carnivore. C) Decoposer. D) Omnivore. Show Answer Correct Answer: C) Decoposer. 11. In an exponential growth model, the line resembles a/an ..... A) J. B) V. C) S. D) L. Show Answer Correct Answer: A) J. 12. 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. 13. ..... is the study of the relationship between organisms and thier environment. A) Ecosystem. B) Food chain. C) Ecology. D) Healthy. Show Answer Correct Answer: C) Ecology. 14. The continous sequence of natural processes by which nitrogen in the atmosphere and nitrogenous compounds in the soil are converted ..... A) Sulphur cycle. B) Carbon cycle. C) Water cycle. D) Nitrogen cycle. Show Answer Correct Answer: D) Nitrogen cycle. 15. Prairies and savannas are two examples of this land biome? A) Tundra. B) Grassland. C) Desert. D) Taiga. Show Answer Correct Answer: B) Grassland. 16. Why are organisms so well adapted to the biome in which they live? A) They have migrated to that biome. B) They have slowly evolved to adapt to their environment. C) They have quickly changed their biological make up to suit their environments. D) They have killed off other, better-adapted species. Show Answer Correct Answer: B) They have slowly evolved to adapt to their environment. 17. A place where several groups of different animals live together with their nonliving factors is called a(n) ..... A) Species. B) Ecosystem. C) Population. D) Community. Show Answer Correct Answer: B) Ecosystem. 18. The roots of some plant species have a special coating to help resist rotting in extremely wet weather. In which environment is it most beneficial for plants to have rot-resistant roots? A) Taiga. B) Temperate Deciduous Forest. C) Tropical Rainforest. D) Desert. Show Answer Correct Answer: C) Tropical Rainforest. 19. In ecology, what is population density? A) The number of abiotic factors in an area. B) The amount of producers in one area. C) The number of organisms living in an area. D) None of above. Show Answer Correct Answer: C) The number of organisms living in an area. 20. Shows a complex network of feeding relationships A) Food chain. B) Community. C) Food web. D) Population. Show Answer Correct Answer: C) Food web. ← 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