This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 119 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 119 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which ecological nutrient cycle relies on photosynthesis and respiration? A) Carbon Cycle. B) Nitrogen Cycle. C) Phosphorus Cycle. D) None of above. Show Answer Correct Answer: A) Carbon Cycle. 2. An animal that is at or near the top of the food chain A) Secondary Consumer. B) Primary Consumer. C) Tertiary Consumer. D) None of above. Show Answer Correct Answer: C) Tertiary Consumer. 3. Always (mnij) plastic bottles so as they take less space. A) Crumple. B) Plant. C) Save. D) Turn. Show Answer Correct Answer: A) Crumple. 4. What do all living organisms depend on? A) Air, water and food. B) Shelter, air and food. C) Water, air and clothing. D) Food, water and community. Show Answer Correct Answer: A) Air, water and food. 5. What is the main source of energy for the entire planet? A) Crops. B) Magnetic fields. C) Sunlight. D) The ocean. Show Answer Correct Answer: C) Sunlight. 6. Which biome consists of lakes, rivers, and streams and only includes 3% of the Earth's water? A) Marine open ocean. B) Marine coastal. C) Tundra. D) Freshwater. Show Answer Correct Answer: D) Freshwater. 7. Fossil fuel-fossil fuel frost-frost A) Right. B) Wrong. Show Answer Correct Answer: A) Right. 8. What is an heterotroph? A) An organism that can produce its own form of energy (via the Sun). B) An organism that consumes only plants for energy. C) An organism that consumes other organisms for energy. D) An organism that decomposes other organisms. Show Answer Correct Answer: C) An organism that consumes other organisms for energy. 9. What is an herbivore? A) An organism that only eats plants for energy. B) An organism that eats animals for energy. C) An organism that eats both plants and animals for energy. D) None of above. Show Answer Correct Answer: A) An organism that only eats plants for energy. 10. Solar power is A) Renewable. B) Nonrenewable. C) Inexhaustible. D) Renewable and inexhaustible. Show Answer Correct Answer: D) Renewable and inexhaustible. 11. TRUE or FALSE:An ecosystem contains only biotic factors. A) TRUE. B) FALSE. Show Answer Correct Answer: B) FALSE. 12. Which of the following is the best definition for estuary? A) Narrow band of coastline that exists between high and low tide. B) Areas along the coast where fresh water from rivers mixes with salt water from the ocean. C) Flowing fresh water containing rapids. D) Freshwater aquatic areas that are saturated by water for at least part of the year. Show Answer Correct Answer: B) Areas along the coast where fresh water from rivers mixes with salt water from the ocean. 13. A vulture is an example of a A) Herbivore. B) Detritivore. C) Omnivore. D) Scavenger. Show Answer Correct Answer: D) Scavenger. 14. The dishes are dirty. Please ..... them. A) Wet. B) Dry. C) Wash. D) Take. Show Answer Correct Answer: C) Wash. 15. Aquatic organisms that crawl. A) Nekton. B) Benthos. Show Answer Correct Answer: B) Benthos. 16. An inverted pyramid of numbers and an inverted pyramid of biomass are respectively seen in? A) Sea and tree ecosystem. B) Tree and sea ecosystem. C) Sea and grass ecosystem. D) Tree and grassland ecosystem. Show Answer Correct Answer: B) Tree and sea ecosystem. 17. What organism takes in the carbon that animals breathe out A) Plants. B) Heterotrophs. C) Omnivores. D) Decomposers. Show Answer Correct Answer: A) Plants. 18. One of the main causes of biodiversity loss is? A) Habitat fragmentation. B) Invasive species. C) Climate change. D) All of the Above. Show Answer Correct Answer: A) Habitat fragmentation. 19. A heterotroph means? A) Feeds itself. B) Feeds on other organisms. C) 2 word name. D) 8 legged. Show Answer Correct Answer: B) Feeds on other organisms. 20. What is the primary source of light and food energy on Earth? A) The Stars. B) The Moon. C) The Sun. D) None of above. Show Answer Correct Answer: C) The Sun. ← 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