This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 21 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... climate is described as hot and wet, and is located in low latitudes. A) Tropical. B) Dry. C) Continental. D) Moderate. Show Answer Correct Answer: A) Tropical. 2. The prefix Eco-means? A) House. B) Life, living. C) Small, millionth. D) With, together. Show Answer Correct Answer: A) House. 3. When an animal looks like another animal it is called ..... A) Camouflage. B) Mimicry. C) Warning coloration. D) Protective resemblance. Show Answer Correct Answer: B) Mimicry. 4. What do plants need to grow? How are these needs affected by climate? A) Plants need air, warmth, sunlight, water, and nutrients to grow. Climate is the major factor affecting the number and diversity of plants that can grow in a terrestrial biome. B) Plants need air, warmth, sunlight, and salt water. Show Answer Correct Answer: A) Plants need air, warmth, sunlight, water, and nutrients to grow. Climate is the major factor affecting the number and diversity of plants that can grow in a terrestrial biome. 5. A company wants to sell more sports drinks so they decide to add more sugar. For Group A they give them gatorade with an added teaspoon of sugar. For Group B they give them plain gatorade without adding sugar. Which Group is the CONTROL GROUP? A) Group A. B) Group B. C) The Gatorade. D) The Company. Show Answer Correct Answer: B) Group B. 6. All the different populations in a specific area A) Population. B) Species. C) Community. D) None of above. Show Answer Correct Answer: C) Community. 7. In population ecology, one of the factors that is studied is a density-dependent factor. Density-dependent factors have the greatest effect on dense populations and little to no effect on very sparse populations. What would NOT be an example of a density-dependent factor? A) Parasitism. B) Predation. C) Communicable disease. D) The average rainfall of a region. Show Answer Correct Answer: D) The average rainfall of a region. 8. An example of a density-independent factor is ..... A) Shelter. B) Water. C) Food source. D) Weather. Show Answer Correct Answer: D) Weather. 9. Organism that share the same habitat and have to sompete for resources A) Competitive Relationships. B) Predator-PreyRelationships. C) Cooperative Relationships. D) None of above. Show Answer Correct Answer: A) Competitive Relationships. 10. Human activities vary depending on its goal, and all this are good for everyone even to the environment. A) True. B) False. Show Answer Correct Answer: B) False. 11. Substances in food that provide nourishment essential for growth and the maintenance of life are called: A) Water. B) Probiotics. C) Nutrients. D) Red dye #10. Show Answer Correct Answer: C) Nutrients. 12. The Sun is important to: A) Warming the Earth. B) Photosynthesis in plants. C) Observing the natural world. D) All of the above. Show Answer Correct Answer: D) All of the above. 13. How do animals get the phosphorous they need? A) Decomposing. B) Combustion. C) Eating plants. D) Breathing it in. Show Answer Correct Answer: C) Eating plants. 14. One species benefits, the other is unaffected A) Symbiosis. B) Parasitism. C) Mutualism. D) Commensalism. Show Answer Correct Answer: D) Commensalism. 15. Striped fish are affected by abiotic and biotic factors in the environment. Which of these factors is biotic? A) Water temperature. B) Mineral nutrients. C) Algae. D) Sediment. Show Answer Correct Answer: C) Algae. 16. Which is an example of a biotic factor? A) A tree and blue crabs. B) Climate and a lion. C) Sunlight and temperature. D) None of above. Show Answer Correct Answer: A) A tree and blue crabs. 17. Variety of different species A) Species diversity. B) Genetic diversity. C) Ecosystem diversity. D) Trophic diversity. Show Answer Correct Answer: A) Species diversity. 18. All of the following are abiotic except ..... A) MINERALS. B) FUNGI. C) TEMPERATURE. D) WATER. Show Answer Correct Answer: B) FUNGI. 19. What does a biotic do? A) Do nothing. B) Move, repopulate, and live. C) Stand still. D) Dead things. Show Answer Correct Answer: B) Move, repopulate, and live. 20. Where is most fresh water on Earth located? A) Rivers, Lakes and Streams. B) Ice Caps and Glaciers. C) Ground Water. D) Oceans. Show Answer Correct Answer: B) Ice Caps and Glaciers. ← 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