This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 133 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 133 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What would a human that eats BOTH PLANTS AND ANIMALS be considered in a food chain? A) Herbivore. B) Carnivore. C) Producer. D) Omnivore. Show Answer Correct Answer: D) Omnivore. 2. A carnivore eats A) Plants. B) Animals and plants. C) Animals only. D) None of above. Show Answer Correct Answer: C) Animals only. 3. An environmental factor such as storms and extreme heat or cold that affects population regardless of their density A) Density-dependent factor. B) Population density. C) Dispersion. D) Density-independent factor. Show Answer Correct Answer: D) Density-independent factor. 4. An example of an abiotic factor in an ecosystem would be A) The water in the river that flows through the forest. B) The tadpoles in the river. C) The lily pads that the frogs sit on. D) The grasshoppers that live in the grass. Show Answer Correct Answer: A) The water in the river that flows through the forest. 5. Producer, primary, secondary, and tertiary consumers are considered what? A) Parasitism. B) The trophic levels. C) Feeding relationship. D) None of above. Show Answer Correct Answer: B) The trophic levels. 6. Bacteria A) Biotic. B) Abiotic. Show Answer Correct Answer: A) Biotic. 7. The "Three Rs" are "Reduce, Reuse, Renewables" A) True. B) False. Show Answer Correct Answer: B) False. 8. All the populations of organisms in an ecosystem. A) Community. B) Population. C) Niche. D) Habitat. Show Answer Correct Answer: A) Community. 9. Which of the following is the largest level of organization? A) Biosphere. B) Biome. C) Species. D) Population. Show Answer Correct Answer: A) Biosphere. 10. What is another name for producers? A) Autotroph. B) Heterotroph. Show Answer Correct Answer: A) Autotroph. 11. What does hibernation mean? A) To be wide awake. B) To get warm. C) To go into a deep sleep. D) None of above. Show Answer Correct Answer: C) To go into a deep sleep. 12. The ozone layer protects us from A) Increased atmospheric heat. B) CFCs. C) UV rays. D) Decreased atmospheric heat. Show Answer Correct Answer: C) UV rays. 13. What is a small cat ..... A) A dog. B) A kitten. C) A puppy. D) A goat. Show Answer Correct Answer: B) A kitten. 14. What is an ecological model of the relationships that form a network of complex interactions among organisms in a community from producers to decomposers? A) Food web. B) An ecosystem. C) Food chain. D) A population. Show Answer Correct Answer: C) Food chain. 15. The movement of matter through biotic and abiotic environment is called ..... A) Matter cycling. B) Biogeochemical cycle. C) Photosynthesis. D) Carbon fixation. Show Answer Correct Answer: B) Biogeochemical cycle. 16. Living things in an environment, like grass or rabbits, are examples of: A) Abiotic factors. B) Biotic factors. C) Producers. D) Habitats. Show Answer Correct Answer: B) Biotic factors. 17. You can use the nitrogen in the atmosphere A) True. B) False. Show Answer Correct Answer: B) False. 18. This prevents the survival of organism A) Carrying Capacity. B) Limiting factor. C) Tolerance range. D) Optimum range. Show Answer Correct Answer: B) Limiting factor. 19. If a new organism or temperature came into an ecosystem A) A role an organism plays in an environment. B) Air, water, nutrients, sun, temperature. C) It can harm or destroy an ecosystem or distort the natural balance. D) Can be huge or tiny. Show Answer Correct Answer: C) It can harm or destroy an ecosystem or distort the natural balance. 20. Why do some animals hibernate? A) The cold weather makes them sleepy. B) Their food supply is smaller in the winter. C) They have no one to play with. D) They have low energy in the winter. Show Answer Correct Answer: B) Their food supply is smaller in the winter. ← 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