This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 134 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 134 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... the branch of science that studies how organisms interact with one another & with their environment. A) Ecology. B) Geology. C) Astronomy. D) Chemistry. Show Answer Correct Answer: A) Ecology. 2. When humans burn fossil fuels, most of the carbon quickly enters the as carbon dioxide. A) Water. B) Atmosphere. C) Sun. D) Air. Show Answer Correct Answer: B) Atmosphere. 3. Which means both species are benefitted? A) Parasitism. B) Commensalism. C) Mutualism. D) None of above. Show Answer Correct Answer: C) Mutualism. 4. The opposite of ugly A) Bad. B) Beautiful. C) Sad. D) Angry. Show Answer Correct Answer: B) Beautiful. 5. Plants and other photosynthetic organisms A) Producer. B) Primary consumer. C) Secondary consumer. D) Tertiary consumer. Show Answer Correct Answer: A) Producer. 6. Trophic Levels show the A) What grade each organism has achieved in the ecosystem. B) Position that an organism occupies in a food chain-what it eats, and what eats it. C) Part of the triangle the organism likes the most. D) Elevation the organism likes to live in. Show Answer Correct Answer: B) Position that an organism occupies in a food chain-what it eats, and what eats it. 7. What do omnivores eat? A) Animals. B) Plants and Animals. C) Plants. D) Dead Animals. Show Answer Correct Answer: B) Plants and Animals. 8. Which is an example of a biotic factor in the environment? A) The climate in the region. B) Carnivores that consume other animals. C) Amount of helium gas in the air. D) Flow of water in a river. Show Answer Correct Answer: B) Carnivores that consume other animals. 9. A type of consumer that only eats meat is a A) Herbivore. B) Omnivore. C) Carnivore. D) Decoposer. Show Answer Correct Answer: C) Carnivore. 10. Carbon cycles quickly between organisms and the atmosphere. A) True. B) False. Show Answer Correct Answer: A) True. 11. Only Found in Plants, this organelle has a rigid layer that surrounds cells of plants. Helps protect and support the cell A) Cell Wall. B) Chloroplasts. C) Cytoplasm. D) Cell membrane. Show Answer Correct Answer: A) Cell Wall. 12. Which of these is a population?1 all the insects in a rainforest2 all the tigers in a rainforest3 all the kapok trees in a rainforest A) 1, 2, and 3. B) 1 only. C) 1 and 2 only. D) 2 and 3 only. Show Answer Correct Answer: D) 2 and 3 only. 13. An omnivore eats A) Plants. B) Plants and animals. C) Animals only. D) Air. Show Answer Correct Answer: B) Plants and animals. 14. There is a lot of water in the ..... A) Wall. B) Sand. C) Bedroom. D) Sea. Show Answer Correct Answer: D) Sea. 15. What do all food chains end with A) Producer. B) Primary consumer. C) Secondary consumer. D) Decoposer. Show Answer Correct Answer: D) Decoposer. 16. What amount of percentage does the energy decrease as it goes up the pyramid? A) 100%. B) 1000%. C) 10%. D) 1%. Show Answer Correct Answer: C) 10%. 17. The competitive ..... principle states that two different species cannot occupy the same niche A) Ecosystem. B) Exclusion. Show Answer Correct Answer: B) Exclusion. 18. What are adaptations? A) The behaviors and physical characteristics that allow organisms to live successfully in their environments. B) The role of an organism in its habitat, or how it makes its living. C) The organism that is killed and eaten. D) The organism that benefits in a predator-prey relationship. Show Answer Correct Answer: A) The behaviors and physical characteristics that allow organisms to live successfully in their environments. 19. An organism's role in its community is its ....., and where it lives is its ..... A) Habitat; niche. B) Role in community; niche. C) Niche; role in the community. D) Niche; habitat. Show Answer Correct Answer: D) Niche; habitat. 20. What ecosystem does rock lichen belong to? A) To the mesoecosystem. B) To the macroecosystem. C) Microecosystem. D) World ecosystem. E) Ecosphere. Show Answer Correct Answer: B) To the macroecosystem. ← 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