This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 265 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 265 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The highest level of organization is called: A) Community. B) Population. C) Biosphere. D) None of above. Show Answer Correct Answer: C) Biosphere. 2. Plants get Co2 from A) Stomata. B) Roots. C) Chloroplasts. D) Santa. Show Answer Correct Answer: A) Stomata. 3. Precipitation and evaporation are important components of the A) Nitrogen cycle. B) Water cycle. C) Carbon cycle. D) All of the above. Show Answer Correct Answer: B) Water cycle. 4. The ..... is sometimes called "the brains" of the cell. A) Brain. B) Lysosome. C) Vacuoles. D) Nucleus. Show Answer Correct Answer: D) Nucleus. 5. The thin volume of earth and its atmosphere that supports life A) Ecology. B) Interdependence. C) Ecological Model. D) Biosphere. Show Answer Correct Answer: D) Biosphere. 6. A change in regional or global climate patterns A) Climate Change. B) Adaptation. C) Deforestation. D) Biodiversity. Show Answer Correct Answer: A) Climate Change. 7. A mouse eats the grass, a snake eats the mouse and the hawk eats the snake. Who has the least amount of the original energy from this food chain? A) Mouse. B) Grass. C) Snake. D) Hawk. Show Answer Correct Answer: D) Hawk. 8. Large geographic areas that have similar climates and ecosystems. A) Tundra. B) Biome. C) Earth. D) Continent. Show Answer Correct Answer: B) Biome. 9. A model that shows a single sequence of feeding relationships is called a A) Trophic level. B) Food chain. C) Food web. D) Feeding chain. Show Answer Correct Answer: B) Food chain. 10. What is the purpose of a pioneer species? A) Create shade for smaller plants. B) To be the first species in a primary succession disturbance and help make soil. C) To be a dominating plant in a climax community. D) To grow where there is soil to indicate to other plants where to grow. Show Answer Correct Answer: B) To be the first species in a primary succession disturbance and help make soil. 11. WhenNO members of a species are left, this is an example of ..... A) Endangered. B) Extinction. C) Protected. D) Threatened. Show Answer Correct Answer: B) Extinction. 12. If you are measuring the amount of population that is in a specific area you are measuring the? A) Species. B) Population Density. C) Organisms. D) Count. Show Answer Correct Answer: B) Population Density. 13. What type of relationship between organisms is one in which one organism benefits and the other is not affected? A) Predation. B) Parasitism. C) Commensalism. D) Mutualism. Show Answer Correct Answer: C) Commensalism. 14. What do you call water that flows on Earth's surface from high elevation to low elevation? A) Clouds. B) Precipitation. C) Runoff. D) Groundwater. Show Answer Correct Answer: C) Runoff. 15. What do we call water that flows over the ground surface rather than soaking in? A) Runoff. B) Discharge. C) Recharge. D) Tributary. Show Answer Correct Answer: A) Runoff. 16. Are passed down to future generations more often A) Favorable Adaptations. B) Evolution. C) Mutations. D) Abilities. Show Answer Correct Answer: A) Favorable Adaptations. 17. "The process of organisms migrating into a new or disturbed area" is the definition of: A) Succession. B) Biodiversity. C) Pioneer Species. D) Climax Community. Show Answer Correct Answer: A) Succession. 18. Food is broken down into simple materials as it A) Is processed in the small intestine. B) Is chewed and mixed with digestive juices. C) Travels through the bloodstream. D) Absorbs energy from the sun. Show Answer Correct Answer: B) Is chewed and mixed with digestive juices. 19. What are organisms that feed on ready-made organic matter called? A) Hydrobionts. B) Autotrophs. C) Heterotrophs. D) Edaphites. E) Chemotrophs. Show Answer Correct Answer: C) Heterotrophs. 20. Which greenhouse gas is the biggest contributor to climate change? A) Methane (CH4). B) Oxygen gas (O2). C) Water (H2O) vapor. D) Carbon Dioxide (CO2). Show Answer Correct Answer: D) Carbon Dioxide (CO2). ← 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