This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 164 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 164 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If a frog is the prey, what could be the predator? A) Grass. B) Insect. C) Snake. D) Snail. Show Answer Correct Answer: C) Snake. 2. What is the study of how living things interact with each other and with their environment? A) Ecology. B) Biology. C) Geography. D) None of above. Show Answer Correct Answer: A) Ecology. 3. This is the type of biome in water A) Terrestrial. B) Aquatic. Show Answer Correct Answer: B) Aquatic. 4. The BEST way to distinguish Primary Succession from Secondary Succession is ..... A) The presence of Lichens in the first stage. B) The absence of Fire as a cause of Succession. C) The time it takes to reach Climax (Primary takes longer, Secondary takes less). D) The absence of soil in the first stage. Show Answer Correct Answer: D) The absence of soil in the first stage. 5. What might occur when a carnivore is removed from the food web? A) Nothing. Organisms cannot impact things below them on the energy pyramid. B) Primary consumers will overpopulate. C) Plants will be over browsed by herbivores. D) Both B and C might occur. Show Answer Correct Answer: D) Both B and C might occur. 6. Estuaries are areas where freshwater and saltwater will mix. Organisms found here would need to be adapted to deal with: A) Extreme depth. B) Changing salinity. C) Low nutrient levels. D) High amounts of pressure. Show Answer Correct Answer: B) Changing salinity. 7. Carbon dioxide is added to the atmosphere by A) Burning fossil fuels. B) Cellular respiration. C) Decomposing organic matter. D) All answers are correct. Show Answer Correct Answer: D) All answers are correct. 8. A lion and a hyena compete for the same food source, a gazelle. What is the relationship between the hyena and gazelle? A) Competition. B) Commensalism. C) Predator-Prey. D) Mutualism. Show Answer Correct Answer: C) Predator-Prey. 9. All the living things and nonliving things in a certain area. A) Food chain. B) Food web. C) Ecosystem. D) None of above. Show Answer Correct Answer: C) Ecosystem. 10. Which of the following are basic needs for animals? A) Shelter, water, food, and protection. B) Water, oxygen, space, shelter, and relaxation. C) Food, water, oxygen, space, and shelter. D) Food, water sunlight, space, and shelter. Show Answer Correct Answer: C) Food, water, oxygen, space, and shelter. 11. A relationship in which one organism benefits while the other is neither helped nor harmed A) Commensalism. B) Parasitism. C) Mutualism. D) Competition. Show Answer Correct Answer: B) Parasitism. 12. Drones have stinger? A) Yes. B) Yes and no. C) No. D) Maybe. Show Answer Correct Answer: C) No. 13. Which of the following lists biotic factors? A) Grass, squirrel, mushroom, soil. B) Grass, squirrel, mushroom, sunlight. C) Grass, squirrel, mushroom, oxygen. D) Grass, squirrel, mushroom, bacteria. Show Answer Correct Answer: D) Grass, squirrel, mushroom, bacteria. 14. Factors in the environment that have an increasing effect as the population size increases (examples:disease, competition, parasites) A) Density-dependent. B) Density-independent. Show Answer Correct Answer: A) Density-dependent. 15. Arctic foxes are white in the winter to blend in with the snow. What adaptation is this? A) Behavioral adaptation. B) Camouflage. C) Migration. D) Hibernation. Show Answer Correct Answer: B) Camouflage. 16. T/F:Abiotic factors are an unimportant part of ecosystems. A) True. B) False. Show Answer Correct Answer: B) False. 17. A forest recovering from the ashes after a fire is an example of? A) Primary Succession. B) Secondary Succession. C) Natural Selection. D) Selective Succession. Show Answer Correct Answer: B) Secondary Succession. 18. Classification of biotic factors: A) Climatic, edaphogenic, orographic, chemical. B) Chemical, edaphogenic, anthropogenic, zoogenic. C) Anthropogenic, orographic, edaphogenic, chemical. D) Phytogenic, zoogenic, microbiogenic. E) Edaphogenic, zoogenic, phytogenic, microbiogenic. Show Answer Correct Answer: D) Phytogenic, zoogenic, microbiogenic. 19. A wolf cub came too close to a skunk, and was sprayed by its foul smelling chemical spray. Now, the wolf cub stays away from skunks. What type of behavior is this? A) Innate behavior. B) Imprinting. C) Learned behavior. D) Migration. Show Answer Correct Answer: C) Learned behavior. 20. An organism that makes its own food by using sunlight or chemicals (also known as an producer) is called a A) Autotroph. B) Predator. C) Consumer. D) Detrivorous. Show Answer Correct Answer: A) Autotroph. ← 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