This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 140 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 140 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Are parasites good for us true or false? A) False. B) True. Show Answer Correct Answer: A) False. 2. Illustration that shows who eats whom A) Food web. B) Food chain. C) Food cycle. D) Herbivore. Show Answer Correct Answer: B) Food chain. 3. The competition relationship is when the members of the same population have to compete for a limited supply of food. This competition prevents A) The population from getting too small. B) From getting sick. C) The population from growing too big. D) From spending too much money on candy. Show Answer Correct Answer: C) The population from growing too big. 4. Question2 A) E1. B) Oh. C) Ez. D) ＃. Show Answer Correct Answer: C) Ez. 5. What makes a species invasive? A) Moving to a new ecosystem and taking resources from natives. B) Not having papers. C) Species that can't adapt. D) Plants that take up too much space. Show Answer Correct Answer: A) Moving to a new ecosystem and taking resources from natives. 6. Living parts of an ecosystem A) Abiotic factors. B) Biotic factors. Show Answer Correct Answer: B) Biotic factors. 7. As a population of a species increases within a territory, which of the following most likely also increases? A) Immigration. B) Food supply. C) Carrying capacity. D) Competition. Show Answer Correct Answer: D) Competition. 8. Living things in an ecosystem are called ..... A) Abiotic. B) Biotic. C) Herbivore. D) Omnivore. Show Answer Correct Answer: B) Biotic. 9. A(n) ..... shaped curve describes the tendency of a population to grow without limit to its size. A) L. B) J. C) S. D) T. Show Answer Correct Answer: B) J. 10. What is the formula for atmospheric nitrogen? A) N. B) Na. C) Nah. D) Type. Show Answer Correct Answer: B) Na. 11. If a hawk eats a snake, the snake is the ..... A) Predator. B) Alpha. C) Prey. D) Mutualistic partner. Show Answer Correct Answer: C) Prey. 12. Green House gases A) Absorb the sun's radiation and trap heat. B) Are good for our health. C) Absorb gravity and keep us attached to Earth. D) Expulse radiation to the sun and prevent us from getting to warm. Show Answer Correct Answer: A) Absorb the sun's radiation and trap heat. 13. Which type of consumer eats only dead or decaying matter? A) Omnivores. B) More destructive. C) Carnivores. D) Herbivores. Show Answer Correct Answer: B) More destructive. 14. What is the difference between a Food WEB and a Food CHAIN? A) Food Chain-is linear, each organism is in a different trophic level, simple. Food Web-is complex, interconnected chains in an ecosystem. B) Food Chain-is complex, interconnected chains in an ecosystem. Food Web-is linear, each organism is in a different trophic level, simple. Show Answer Correct Answer: A) Food Chain-is linear, each organism is in a different trophic level, simple. Food Web-is complex, interconnected chains in an ecosystem. 15. How does oxygen cycle between plants and animals? A) Plants and animals both release oxygen. B) Plants and animals convert water into oxygen. C) Plants take in oxygen that is produced by animals. D) Animals take in oxygen that is produced by plants. Show Answer Correct Answer: D) Animals take in oxygen that is produced by plants. 16. An organism's ..... is the environment in where it lives A) Habitat. B) Ecosystem. C) Community. D) Niche. Show Answer Correct Answer: A) Habitat. 17. Humans determine which traits are desirable in the species. They then increase the alleles for these traits through breeding. A) Natural Selection. B) Selective Breeding. Show Answer Correct Answer: B) Selective Breeding. 18. Decomposers are represented by A) Plants. B) Fungi and bacteria. C) Animals. D) Protectist. Show Answer Correct Answer: B) Fungi and bacteria. 19. This type of consumer eats both plants and meat. A) Omnivore. B) Herbivore. C) Carnivore. D) Producer. Show Answer Correct Answer: A) Omnivore. 20. Giraffes have long necks that help them reach leaves high up in trees. They get all the energy they need from plants such as this. What type of consumer are giraffes. A) Carnivore. B) Omnivore. C) Herbivore. D) Decoposer. Show Answer Correct Answer: C) Herbivore. ← 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