This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 138 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 138 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The energy found in nutrients originates from the ..... A) Food. B) Stars. C) Sun. D) No where. Show Answer Correct Answer: C) Sun. 2. Habitat is A) A physical space where living organisms live. B) A virtual space where living organisms live. C) A place where living organisms move. D) A place where living organisms play. Show Answer Correct Answer: A) A physical space where living organisms live. 3. One species feeds on another is a ..... A) Prey. B) Predator. C) Carnivore. D) Omnivore. Show Answer Correct Answer: B) Predator. 4. Choose the right meaning:club A) Club. B) Tin. C) To recycle. D) None of above. Show Answer Correct Answer: A) Club. 5. Which of the following situations will lead to an increase in population size for a species? A) Increased death rate. B) Decreased birth rate. C) Immigration. D) Emigration. Show Answer Correct Answer: C) Immigration. 6. In a forest, two trees are growing next to each other. Which two natural resources are they competing for in this area? A) Sunlight and water. B) Root length and strength. C) Cellular structure and function. D) Access to nesting birds and insects. Show Answer Correct Answer: A) Sunlight and water. 7. Many organisms get their energy from eating plants, vegetables, and fruits. Which of these is the source of energy for plants, vegetables, and fruits? A) Sunlight. B) Wind. C) Water. D) Soil. Show Answer Correct Answer: A) Sunlight. 8. All living (biotic) and nonliving (abiotic) things together create what? A) A community. B) A population. C) An ecosystem. D) A species. Show Answer Correct Answer: C) An ecosystem. 9. Estuary 2. Beach 3. Coral Reef 4. Ocean are all what kind of biome? A) Marine. B) Freshwater. Show Answer Correct Answer: A) Marine. 10. Aiden, James, and Benjamin went on a field trip to a forest reserve. They observed a linear way to display the flow of energy in the ecosystem. What is this called? A) Energy road. B) Food line. C) Food chain. D) Food web. Show Answer Correct Answer: C) Food chain. 11. When water ....., dew forms. A) Melts. B) Evaporates. C) Condenses. D) Precipitates. Show Answer Correct Answer: C) Condenses. 12. Climate is ..... A) Temperature and Sunlight. B) Temperature and Precipitation. C) Precipitation and Rainfall. D) Precipitation and Soil Content. Show Answer Correct Answer: B) Temperature and Precipitation. 13. An animal's job in its environment A) Niche. B) Habitat. C) Biome. D) Competition. Show Answer Correct Answer: A) Niche. 14. Observation A) Observing something or someone carefully. B) Having to talk to for a long period of time. C) Saving the environment. D) None of above. Show Answer Correct Answer: A) Observing something or someone carefully. 15. What is the role of decomposers in an Ecosystem? A) They recycle matter and nutrients to form fossil fuels. B) They are burn and release as carbon dioxide. C) Decomposers are responsible to turn oxygen into carbon dioxide. D) They recycle energy back to the sun. Show Answer Correct Answer: A) They recycle matter and nutrients to form fossil fuels. 16. This biome has the largest diversity (largest number of different kinds) of plant and animal species A) Desert. B) Tundra. C) Deciduous Forest. D) Tropical Rainforest. Show Answer Correct Answer: D) Tropical Rainforest. 17. This cycle deals with nitrification and nitrates A) Nitrogen. B) Water. C) Carbon. D) Phosphorus. Show Answer Correct Answer: A) Nitrogen. 18. Which is an example of a population? A) Different kinds of bacteria. B) A group of fish and sharks. C) Deer, bear, and rabbits. D) A herd of cattle. Show Answer Correct Answer: D) A herd of cattle. 19. Group of the SAME organisms living in an area A) Organism. B) Population. C) Community. D) Species. Show Answer Correct Answer: B) Population. 20. Global warming refers to an average ..... in the Earth's temperature, which in turn causes changes in ..... A) Increase, climate. B) Decrease, climate. C) Increase, temperature. D) Decrease, temperature. Show Answer Correct Answer: A) Increase, climate. ← 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