This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 241 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 241 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which symbols best describe commensalism? A) +, +. B) +, -. C) +, 0. D) 0, 0. Show Answer Correct Answer: C) +, 0. 2. Emigration is A) The movement of individuals out of an area. B) The numder of individuals moving from one state to another. C) The number of people moving to a new house. D) The number of individuals moving out of Europe. Show Answer Correct Answer: A) The movement of individuals out of an area. 3. Which is NOT a threat to amphibian species A) Pond building. B) Pollution. C) Habitat destruction. D) None of above. Show Answer Correct Answer: A) Pond building. 4. Non-living parts of an ecosystem such as wind, rocks and water are called A) Biotic factors. B) Abiotic factors. Show Answer Correct Answer: B) Abiotic factors. 5. A scorpion is a decomposer that is most likely found in the ..... A) Grasslands. B) Rainforest. C) Deciduous forest. D) Taiga. Show Answer Correct Answer: B) Rainforest. 6. What type of relationship is this:The cattle egretfollows herds ofcattle eating theinsects stirred up bythe cattle. A) Mutualism. B) Commensalism. C) Parasitism. D) None of above. Show Answer Correct Answer: B) Commensalism. 7. Biodiversity, aka biological diversity, usually refers to A) The same species in a general location. B) The number of different species in a given area. C) The number of animal species in a given area. D) The number of plant species in a given area. Show Answer Correct Answer: B) The number of different species in a given area. 8. Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales. What kind of relationship is this? A) Mutualism. B) Parasitism. C) Commensalism. D) None of above. Show Answer Correct Answer: C) Commensalism. 9. What does abiotic mean? A) Living. B) Non-living. C) Man made. D) None of above. Show Answer Correct Answer: B) Non-living. 10. Plants make their own food from the sun through photosynthesis, hence they are called producers or A) Carnivores. B) Consumers. C) Autotrophs. D) Heterotroph. Show Answer Correct Answer: C) Autotrophs. 11. The overgrowth of algae poses a major problem for coral reefs. Intensive fishing is one factor that contributes to algae overgrowth because it does which of the following? A) Allows more sunlight to be available to algae. B) Inhibits the spread of pathogens in algae colonies. C) Reduces the number of organisms that feed on algae. D) Increases the competition between different algae species. Show Answer Correct Answer: C) Reduces the number of organisms that feed on algae. 12. Species A) Individual ecosystems grouped together according to climate, predominant vegetation, adaptations particular to an environment. B) One or more communities at a certain time and place and abiotic factors(temp, soil, sunlight, etc.). C) A type of animal, plant, and bacteria. D) None of above. Show Answer Correct Answer: C) A type of animal, plant, and bacteria. 13. As you move up the trophic levels of the ecological pyramid, what happens to energy? A) It decreases. B) In increases. Show Answer Correct Answer: A) It decreases. 14. The study of how organisms and non-living things interact in an environment is called A) Ecology. B) Heredity. C) Genealogy. D) History. Show Answer Correct Answer: A) Ecology. 15. When 2 organisms work together for a common goal A) Predation. B) Prey. C) Cooperation. D) Competition. Show Answer Correct Answer: C) Cooperation. 16. Place the levels of environment in the correct order from smallest to largest A) Biospherebiomepopulationorganismecosystemcommunity. B) Organismecosystembiospherepopulationcommunitybiome. C) Organismpopulationcommunity ecosystembiomebiosphere. D) Populationcommunityecosystembiosphereorganismbiome. Show Answer Correct Answer: C) Organismpopulationcommunity ecosystembiomebiosphere. 17. What is the most important factor for an ecosystem to be sustainable and healthy? A) Abiotic factors. B) The amount of water available. C) Biodiversity. D) The temperature. Show Answer Correct Answer: C) Biodiversity. 18. What does ecological footprint measure? A) How quantity of natural resources humans need compared to the earth's capacity to provide those resources. B) The size of cities across the world. C) The amount of fossil fuels that are burned for energy. D) The shoe size of the average human. Show Answer Correct Answer: A) How quantity of natural resources humans need compared to the earth's capacity to provide those resources. 19. Study of how things interact with each other and their enviroment A) Ecology. B) Symbiosis. Show Answer Correct Answer: A) Ecology. 20. Anything that can restrict the size of a population including living and nonliving features, such as predators or drought. A) Carrying capacity. B) Limiting factors. C) Population. D) Community. Show Answer Correct Answer: B) Limiting factors. ← 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