This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 136 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 136 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the difference between Primary and Secondary Succession? A) Primary succession and Secondary succession are the same thing. B) Primary succession is in the water, Secondary succession is on land. C) Primary succession is plants, Secondary succession is animals. D) Primary succession starts on barren rock, Secondary succession starts on dirt and soil. Show Answer Correct Answer: D) Primary succession starts on barren rock, Secondary succession starts on dirt and soil. 2. If wolves and bears are top predators, why did more wolves bring more bears? A) Less deer allowed for more berries and bears eat berries. B) Less deer means less food for the bears so they had to find new habitat. Show Answer Correct Answer: A) Less deer allowed for more berries and bears eat berries. 3. The artic would be considered what biome? A) Desert. B) Tundra. C) Grassland. D) Shrubland. Show Answer Correct Answer: B) Tundra. 4. Which answer is true regarding biodiversity? A) As long as there are enough producers, an ecosystem is considered to have a good amount of biodiversity. B) The rain forest has an unhealthy ecosystem because its biodiversity is too great. C) An ecosystem is healthier when the biodiversity is great. D) Biodiversity is positively affected when non-native species are introduced into an environment. Show Answer Correct Answer: C) An ecosystem is healthier when the biodiversity is great. 5. The food chain is: A) A grocery list. B) A series of steps in an ecosystem in which organisms transfer energy by eating and being eaten. C) The process of animals eating each other to survive. D) An organism that obtains energy by eating both plants and enimals. Show Answer Correct Answer: B) A series of steps in an ecosystem in which organisms transfer energy by eating and being eaten. 6. This biome gets the highest percentage of rain yearly A) Taiga. B) Temperate Deciduous Forest. C) Tropical Rainforest. D) Grasslands. Show Answer Correct Answer: C) Tropical Rainforest. 7. The Gobi fish and shrimp live closely together. The nearly blind shrimp keeps a burrow for it and the Gobi fish to live. The Gobi warns the shrimp of predators. The shrimp lets the fish live in the burrow. This is an example of A) Mutualism. B) Commensalism. C) Parasitism. D) None of above. Show Answer Correct Answer: A) Mutualism. 8. Incineration-burning of waste landfill-garbage dump list of endangered species-red book A) Right. B) Wrong. Show Answer Correct Answer: A) Right. 9. Invertebrates do NOT have a A) Brain. B) Heart. C) Stomach. D) Backbone. Show Answer Correct Answer: D) Backbone. 10. What is the role of decomposing bacteria in the nitrogen cycle? A) Change Nitrogen gas into Nitrate. B) Return the nitrogen compounds to the soil. C) Turn nitrogen into water. D) Turn nitrate into nitrogen gas. Show Answer Correct Answer: B) Return the nitrogen compounds to the soil. 11. Animal populations usually include A) Many different types of animals. B) A mix of adults who breed, and their offspring. C) A lot of animals. D) A small amount of animals. Show Answer Correct Answer: B) A mix of adults who breed, and their offspring. 12. I have abig birthday tonight, My mom and I ..... the house. A) Leave. B) Swim. C) Draw. D) Decorate. Show Answer Correct Answer: D) Decorate. 13. What can cause airborne dusts? A) Asthma. B) Pneumonia. C) Tuberculosis. D) None of above. Show Answer Correct Answer: A) Asthma. 14. ..... 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. 15. 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. 16. Which means both species are benefitted? A) Parasitism. B) Commensalism. C) Mutualism. D) None of above. Show Answer Correct Answer: C) Mutualism. 17. The opposite of ugly A) Bad. B) Beautiful. C) Sad. D) Angry. Show Answer Correct Answer: B) Beautiful. 18. Plants and other photosynthetic organisms A) Producer. B) Primary consumer. C) Secondary consumer. D) Tertiary consumer. Show Answer Correct Answer: A) Producer. 19. 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. 20. What do omnivores eat? A) Animals. B) Plants and Animals. C) Plants. D) Dead Animals. Show Answer Correct Answer: B) Plants and Animals. ← 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