This quiz works best with JavaScript enabled. Home > Science > Earth > 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. An example of a density-independent factor is ..... A) Shelter. B) Water. C) Food source. D) Weather. Show Answer Correct Answer: D) Weather. 2. 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. 3. 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. 4. 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. 5. 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. 6. 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. 7. One species benefits, the other is unaffected A) Symbiosis. B) Parasitism. C) Mutualism. D) Commensalism. Show Answer Correct Answer: D) Commensalism. 8. 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. 9. 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. 10. Variety of different species A) Species diversity. B) Genetic diversity. C) Ecosystem diversity. D) Trophic diversity. Show Answer Correct Answer: A) Species diversity. 11. All of the following are abiotic except ..... A) MINERALS. B) FUNGI. C) TEMPERATURE. D) WATER. Show Answer Correct Answer: B) FUNGI. 12. 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. 13. 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. 14. The egrets, marsh crabs, and cord grass make up what level of ecology A) Individual. B) Population. C) Community. D) Ecosystem. Show Answer Correct Answer: C) Community. 15. Which biome is located in the Central US and used for farmlands? A) Temperate Grassland. B) Temperate Forest. C) Taiga. D) Savanna. Show Answer Correct Answer: A) Temperate Grassland. 16. The struggle of organisms to survive as they use the same limited resource describes ..... A) Mutualism. B) Herbivores. C) Predation. D) Competition (competitors). Show Answer Correct Answer: D) Competition (competitors). 17. Tree kangaroos live in the upper branches of trees in the rainforests of Queensland, as well as on the island of New Guinea. This is an example of the tree kangaroos ..... A) Niche. B) Habitat. C) Community. D) Population. Show Answer Correct Answer: B) Habitat. 18. Which natural resource is inexhaustible? A) Soil, water. B) Petroleum oil, coal. C) Forest, wildlife. D) Air, light. Show Answer Correct Answer: D) Air, light. 19. Show the types of biotic factors A) Public and private. B) Intraspecies and interspecies. C) Direct and indirect. D) Specific and general. Show Answer Correct Answer: B) Intraspecies and interspecies. 20. What kingdom has organisms that feed off dead or decaying organisms? A) Plants. B) Fungi. Show Answer Correct Answer: B) Fungi. ← 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