This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 271 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 271 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Complete the definition:Environment-The total of all of the surroundings-air, water, ....., human element, wildlife-that has influence on you and your existence, including physical, biological and all other factors A) Vegetation. B) Vegetables. C) Plants. D) Vegans. Show Answer Correct Answer: A) Vegetation. 2. What is NOT a sustainable practice? A) Recycling. B) Reducing. C) Reusing. D) Buying. Show Answer Correct Answer: D) Buying. 3. A diagram that shows the amount of energy that moves from one feeding level to another is termed ..... A) Energy pyramid. B) Adaptation. C) Autotroph. D) Food web. Show Answer Correct Answer: A) Energy pyramid. 4. A honeybee colony contains three types of bees: A) One queen, some drones, no worker bees. B) Drones, queens,. C) One queen, drones, worker bees. D) Worker bees, queen, no drones. Show Answer Correct Answer: C) One queen, drones, worker bees. 5. What is NOT an example or precipitation? A) Rain. B) Snow. C) Sleet. D) Wind. Show Answer Correct Answer: D) Wind. 6. Consumers cannot do which of the following A) Give off carbon dioxide. B) Change sugars into energy. C) Give off oxygen. D) Carry out respiration. Show Answer Correct Answer: C) Give off oxygen. 7. Density independent limiting factors are factors that do not depend on the number of organisms within a given population. Which is an example of Density Independent limiting factors? A) Forest fire. B) Disease. C) Emigration rate. D) Parasites. Show Answer Correct Answer: A) Forest fire. 8. During which phase of the nitrogen cycle do decomposers break down nitrates into ammonium? A) Ammonification. B) Nitrification. C) Denitrification. D) Assimilation. Show Answer Correct Answer: A) Ammonification. 9. What biome do we live in and what are its characteristics? A) Temperate Deciduous Forest-4 seasons, warm summers, cool winters, rainfall year-round. B) Tropical Rainforest-no winters, heavy rainfall, hot and humid year-round. C) Alpine Tundra-mountains, cold, treeless and frozen landscape. D) Savanna-dry flat grassland, few trees. Show Answer Correct Answer: A) Temperate Deciduous Forest-4 seasons, warm summers, cool winters, rainfall year-round. 10. Which is the definition of a community A) Multiple organisms of the same species. B) All the living and nonliving things in an area. C) A living thing. D) Multiple organisms of different species. Show Answer Correct Answer: D) Multiple organisms of different species. 11. The word that best describes the average conditions over time is? A) Climate. B) Global average. C) Weather. D) Precip and Temp. Show Answer Correct Answer: A) Climate. 12. What is the group in an experiment that receives treatment with the independent variable? A) Control group. B) Experimental group. Show Answer Correct Answer: B) Experimental group. 13. What are the three components of soil? A) Insects, sand, topsoil. B) Clay, sand, humus. C) Topsoil, subsoil, bedrock. D) Earthworms, sand, silt. Show Answer Correct Answer: B) Clay, sand, humus. 14. Which biome has an abundance of grass and flowers, erratic precipitation, is warm in summer, and very cold in winter? A) Shrubland. B) Grassland. C) Temperate deciduous rainforest. D) Coniferous rainforest. Show Answer Correct Answer: B) Grassland. 15. The element of life is A) Carbon. B) Water. C) Oxygen. D) Carbon dioxide. Show Answer Correct Answer: A) Carbon. 16. Where did all of the energy in this food web originally come from? A) Soil. B) Producers. C) Air. D) Sun. Show Answer Correct Answer: D) Sun. 17. What was NOT a part of the water cycle? A) Condensation. B) Precipitation. C) Decompostition. D) Evaporation. Show Answer Correct Answer: C) Decompostition. 18. In an ecosystem, grass is eaten by mice and mice are eaten by snakes. If the mouse population decreases, what happens to the snake population? A) Increases. B) Decreases. C) Stays the same. D) None of above. Show Answer Correct Answer: B) Decreases. 19. The highest concentration of life exists in the top 200 meters of ocean water. What is the most important factor that influences the concentration of life? A) Amount of gases at the surface. B) Amount of nutrients in the water. C) Large number of predators at lower depths. D) Amount of sunlight. Show Answer Correct Answer: D) Amount of sunlight. 20. How do producers get energy? A) Eating plants and seeds. B) Eating other animals. C) Breaking down organisms through decay. D) Using the sun to make food. Show Answer Correct Answer: D) Using the sun to make food. ← 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