This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 81 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 81 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An omnivore is an organism that eats ..... A) Plants and animals. B) Only plants. C) Only Animals. D) Dead organisms. Show Answer Correct Answer: A) Plants and animals. 2. The primary source of energy in an ecosystem comes from: A) Producers. B) Consumers. C) Sun. D) Decomposers. Show Answer Correct Answer: C) Sun. 3. Represents or describes the component of an ecological system. A) Ecology. B) Interdependence. C) Ecological Model. D) Biosphere. Show Answer Correct Answer: C) Ecological Model. 4. Which type of cell contains a nucleus? A) Prokaryotic. B) Eukaryotic. Show Answer Correct Answer: B) Eukaryotic. 5. Be ecological A) Be green. B) Be ecology. C) Be energy. D) Be ecologish. Show Answer Correct Answer: A) Be green. 6. Which of the following is an example of symbiosis? A) A mother bear taking care of her cub. B) A married couple who agree to split their rent and share housework duties. C) A worm living in a cow's intestine. D) One chimp cleaning and grooming the hair of another chimp. Show Answer Correct Answer: C) A worm living in a cow's intestine. 7. How many trees it takes to make 5 tons of paper? A) 85. B) 34. C) 321. D) 76. Show Answer Correct Answer: A) 85. 8. An area of land that has similar biotic and abiotic conditions is a ..... A) Biome. B) Biosphere. C) Community. D) Population. Show Answer Correct Answer: A) Biome. 9. Are they helping environment A) Yes. B) No. Show Answer Correct Answer: A) Yes. 10. How do humans contribute to the carbon cycle? A) Ride bicycles and walk everywhere. B) Burning fossil fuels and deforestation. Show Answer Correct Answer: B) Burning fossil fuels and deforestation. 11. All nonliving things in the environment A) Biotic. B) Abiotic. Show Answer Correct Answer: B) Abiotic. 12. Which of the following stores most of the earth's carbon? A) Humans. B) Atmosphere. C) Ocean. D) Rock. Show Answer Correct Answer: C) Ocean. 13. Worker bees are A) Male. B) Female. Show Answer Correct Answer: B) Female. 14. The amount of water on Earth is constant, and continually recycled over time:some of the water you drink will have passed through a dinosaur. A) True. B) False. C) 47. D) Blue. Show Answer Correct Answer: A) True. 15. All of the following are limiting factors except A) Immigration. B) Competition. C) Predation. D) None of above. Show Answer Correct Answer: A) Immigration. 16. Which of these nitrogen molecules would be present in the atmosphere? A) Nah. B) NH4+. C) Type. D) Na. Show Answer Correct Answer: D) Na. 17. What does an ATP molecule provide for the prokaryotic cell? A) Potential and Radiant Energy. B) Chemical and potential energy. Show Answer Correct Answer: B) Chemical and potential energy. 18. This is released by the weathering of rocks. A) Carbonate. B) Phosphate. C) Phosphorus. D) Nitrogen. Show Answer Correct Answer: B) Phosphate. 19. Define mutualism A) The way two organisms of different species exist in a relationship in which each individual benefits from the activity of the other. B) Mutualism is the way two organisms of different species exist in a relationship in which each individual DOES NOT BENEFIT from the activity of the other. C) None of the above. D) None of above. Show Answer Correct Answer: A) The way two organisms of different species exist in a relationship in which each individual benefits from the activity of the other. 20. During a school picnic, Nora, Michael, and Ethan were discussing their food habits. Nora said she eats both plants and animals. What would you call Nora based on her food habits? A) Omnivore. B) Carnivore. C) Herbivore. D) Vegetarian. Show Answer Correct Answer: A) Omnivore. ← 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