This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 262 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 262 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Don't go there. It isn't ..... A) Sure. B) Safe. C) Difficult. D) Sweet. Show Answer Correct Answer: B) Safe. 2. Green plants and algae make their own food through photosynthesis. What is photosynthesis? A) A cell process that uses energy from sunlight to convert water and oxygen into food. B) A cell process that uses energy from sunlight to convert water and glucose into food. C) A cell process that uses energy from sunlight to convert water and chlorophyll into food. D) A cell process that uses energy from sunlight to convert water and carbon dioxide into food. Show Answer Correct Answer: D) A cell process that uses energy from sunlight to convert water and carbon dioxide into food. 3. What are aquatic organisms that live at the bottom of a body of water? A) Photic. B) Bateric. C) Benthos. D) Lateral. Show Answer Correct Answer: C) Benthos. 4. The surroundings in which an organism lives A) Niche. B) Biotic. C) Ecosystem. D) Environment. Show Answer Correct Answer: D) Environment. 5. Great horned owls and red-tailed hawks have similar requirements for food, space, and nesting materials. What would most likely be the result of great horned owls and red-tailed hawks living in the same community? A) Ecological succession. B) Competition. C) Habitat destruction. D) Parasitism. Show Answer Correct Answer: B) Competition. 6. A group of ecosystems with similar climates and types of organisms is called A) Ecosystem. B) Biome. C) Community. D) Hemisphere. Show Answer Correct Answer: B) Biome. 7. An organism that eats both plants and animals is called a A) Human. B) Herbivore. C) Carnivore. D) Omnivore. Show Answer Correct Answer: D) Omnivore. 8. An inherited trait that helps those organisms that have it to survive A) Niche. B) Structure. C) Characteristic. D) Adaptation. Show Answer Correct Answer: D) Adaptation. 9. The variable "k" in population ecology refers to ..... A) Rate of growth. B) Amount of kangaroos in an ecosystem. C) The carrying capacity of an environment. D) The rate of dispersion within an environment. Show Answer Correct Answer: C) The carrying capacity of an environment. 10. When members of a population work together it is called ..... A) Competition. B) Cooperation. C) Mutualism. D) None of above. Show Answer Correct Answer: B) Cooperation. 11. What is the prefer pH range for aquatic creatures? A) 6-7. B) 6.5-9. C) 5.5-8. D) 6.8. Show Answer Correct Answer: B) 6.5-9. 12. What can you infer from the fact that the disappearance of just one species can disrupt an entire food chain? A) Every food chain depends entirely on a single species. B) Food chains are extremely fragile. C) Food chains can regenerate on their own. D) Food chains would not exist without humans. Show Answer Correct Answer: B) Food chains are extremely fragile. 13. What process occurs when coal (fossil fuel) is used for energy? A) Decomposition. B) Combustion. C) Pressurization. D) Respiration. Show Answer Correct Answer: B) Combustion. 14. What level on an energy pyramid has organisms having the MOST energy? A) Top level. B) Bottom level. C) Middle level. D) None of above. Show Answer Correct Answer: B) Bottom level. 15. In this relationship, predators live on/in a host and depend on the host for nutrition A) Commensalism. B) Parasitism. C) Self defense. D) Advantage relationship. Show Answer Correct Answer: B) Parasitism. 16. Natural selection or survival of the fittest, results in ..... such as webbed feet, special beaks on different birds, and coloration A) Biotic. B) Adaptation. C) Parasitism. D) Abiotic. Show Answer Correct Answer: B) Adaptation. 17. Heterotrophs that eat producers and other heterotrophs are called ..... A) Autotrophs. B) Herbivores. C) Carnivores. D) Omnivores. Show Answer Correct Answer: D) Omnivores. 18. Which is not a decomposer A) Vulture. B) Bacteria. C) Fungus. D) None of above. Show Answer Correct Answer: A) Vulture. 19. Which factor(s) affect aquatic ecosystems? A) Depth. B) Flow. C) Nutrients. D) All affect aquatic ecosystems. Show Answer Correct Answer: D) All affect aquatic ecosystems. 20. Variation of a species that live in different geographic areas A) Biodiversity. B) Taxonomy. C) Binomial Nomenclature. D) Subspecies. Show Answer Correct Answer: D) Subspecies. ← 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