This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 10 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Conservation of natural resources A) Global warming. B) Protection of natural resources. Show Answer Correct Answer: B) Protection of natural resources. 2. Biocenosis- A) Plant communities. B) A community of microorganisms. C) A set of different living organisms that self-regulate in a certain territory. D) Animal community. Show Answer Correct Answer: C) A set of different living organisms that self-regulate in a certain territory. 3. All the living things in an environment A) Biotic factors. B) Traits. C) Animals. D) Natural Selection. Show Answer Correct Answer: A) Biotic factors. 4. Relationship where both species benefit A) Mutalism. B) Commensalism. C) Parasitism. D) None of above. Show Answer Correct Answer: A) Mutalism. 5. What is salinity? A) How much light reaches the water. B) How much salt is dissolved in the water. C) How many organisms are in the ecosystem. D) How many nutrients can be found in an ecosystem. Show Answer Correct Answer: B) How much salt is dissolved in the water. 6. When A population size grows so large that it causes damage to the environment A) Threaten Species. B) Overpopulation. Show Answer Correct Answer: B) Overpopulation. 7. The scientific study of how organisms interact with their environment and all the other organisms that live in that environment A) Biotic factor. B) Food chain. C) Ecosystem. D) Ecology. Show Answer Correct Answer: D) Ecology. 8. Symbiotic relationship in which both organisms benefit A) Mutualism. B) Population. C) Commensalism. D) Parasitism. Show Answer Correct Answer: A) Mutualism. 9. A relationship between two organisms where both organisms are helped is known as ..... A) A Competition Relationship. B) Mutualism. C) A Parasitic Relationship. D) Commensalism. Show Answer Correct Answer: B) Mutualism. 10. Which of the following are fossil fuels? A) Coal, water, oil. B) Oxygen, coal, oil. C) Coal, Oil, Natural Gas. D) None of the above. Show Answer Correct Answer: C) Coal, Oil, Natural Gas. 11. What happens to the energy at each trophic level in the energy pyramid? A) It increases. B) It decreases. C) Doesn't change. D) It decreases because only 10% energy at each level is transferred. Show Answer Correct Answer: D) It decreases because only 10% energy at each level is transferred. 12. What is the symbiotic relationship called which one organism is helped and the other organism is neither harmed nor helped? A) Mutualism. B) Parasitism. C) Commensalism. D) Consumer. Show Answer Correct Answer: C) Commensalism. 13. This biome receives less than ten inches of rainfall per year, and is very hot. A) Rainforest. B) Desert. C) Taiga. D) Deciduous Forest. Show Answer Correct Answer: B) Desert. 14. Which biome has four distinct seasons, a moderate amount of precipitation, and the trees lose their leaves during winter? A) Coniferous forest. B) Tropical rainforest. C) Temperate deciduous rainforest. D) Grassland. Show Answer Correct Answer: C) Temperate deciduous rainforest. 15. Which of the following directly use the Sun's energy to produce their own food? A) Decomposers. B) Carnivores. C) Consumers. D) Producers. Show Answer Correct Answer: D) Producers. 16. The global ecosystem that contains all life: A) Biodome. B) Biosphere. C) Atmosphere. D) Climate. Show Answer Correct Answer: B) Biosphere. 17. Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales. A) Mutualism. B) Parasitism. C) Commensalism. D) None of above. Show Answer Correct Answer: C) Commensalism. 18. A relationship where one organism benefits and one organism is harmed is called ..... Dogs and fleas are an example of this. A) Mutualism. B) Commensalism. C) Parasitism. D) None of above. Show Answer Correct Answer: C) Parasitism. 19. There are many large-mouth bass, a type of fish, living in a small lake near Waco, Texas. How would increased fishing in the lake effect the lake ecosystem? A) Predators might starve due to loss of food source. B) Population of bass' prey would decrease. C) Bass would spend more time swimming near the surface. D) Water in the lake would decrease due to more fishing in the lake. Show Answer Correct Answer: A) Predators might starve due to loss of food source. 20. The Savannah would be considered what biome? A) Desert. B) Tundra. C) Grassland. D) Shrubland. Show Answer Correct Answer: A) Desert. ← 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