This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 4 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Two greenhouse gases that contribute to global warming are: A) A O2 and CO2. B) B SO2 and O2. C) C CO and NO2. D) D CO2 and CH4. Show Answer Correct Answer: D) D CO2 and CH4. 2. What do plants need to make their own food? A) Sun, Water, and Animals. B) Sun, Coke, and Soil. C) Sun, Water, and Soil. D) Nothing at all. Show Answer Correct Answer: C) Sun, Water, and Soil. 3. A forest has a GPP of 3.8 kg C/m2/year and the rate of cellular respiration is 2.4 kg C/m2/year. What is the NPP? A) 6.2 kg C/m2/year. B) 1.4 kg C/m2/year. C) 1.0 kg C/m2/year. D) 9.12 kg C/m2/year. Show Answer Correct Answer: B) 1.4 kg C/m2/year. 4. What are 4 ways to determine population size? A) Direct and Indirect observation, sampling, and Guess-and-check. B) Direct and Indirect observation, sampling, and mark-and recapture. C) Eating, Sleeping, playing, and breathing. D) Find the cosine of the bisector of angle a, then add it to the square root of 101010101012, and then divide by 253.5. Show Answer Correct Answer: B) Direct and Indirect observation, sampling, and mark-and recapture. 5. Every place on Earth that can support life (earth itself) A) Biosphere. B) Biome. C) Community. D) Population. Show Answer Correct Answer: A) Biosphere. 6. If we removed the grasshopper from the food web, how many other organisms would be affected? A) 1. B) 2. C) 3. D) More than 4. Show Answer Correct Answer: D) More than 4. 7. A sequence of biotic changes that regenerate or create an ecological community is known as A) Migration. B) Factors. C) Succession. D) Erosion. Show Answer Correct Answer: C) Succession. 8. An ecosystem contains living and nonliving things. A) True. B) False. Show Answer Correct Answer: A) True. 9. What factor describes when populations increase because animals are moving into a population? A) Emigration. B) Limiting Factors. C) Immigration. D) None of above. Show Answer Correct Answer: C) Immigration. 10. If a producer receives 5, 000, 000 kJ of energy, the primary consumer would only have access to about ..... kJ of energy A) 5, 000. B) 500, 000. C) 50, 000. D) None of above. Show Answer Correct Answer: B) 500, 000. 11. What is the first organisms to live in an ecosystem; often a lichen? A) Pioneer species. B) Secondary succession. C) Primary succession. D) Climax community. Show Answer Correct Answer: A) Pioneer species. 12. Competition is most likely to occur between which two organisms A) Deer and butterflies. B) Grass and strawberry plants. C) Goldfish and rabbits. D) Owls and bacteria. Show Answer Correct Answer: B) Grass and strawberry plants. 13. Which biome receives the most rain? A) Tropical rain forest. B) Temperate rain forest. C) Taiga. D) Tundra. Show Answer Correct Answer: A) Tropical rain forest. 14. An animal that hunts and eats other animals is A) Prey. B) Predator. C) Herbivore. D) None of above. Show Answer Correct Answer: B) Predator. 15. Each of the following is an abiotic factor in the environment EXCEPT A) Plants. B) Water. C) Sunlight. D) Soil. Show Answer Correct Answer: A) Plants. 16. The number of different species and the abundance of each species in a biological community. A) Genetic diversity. B) Ecosystem diversity. C) Extinction. D) Species diversity. Show Answer Correct Answer: D) Species diversity. 17. A consumer that only eats other living animals is called a(n) what? A) Omnivore. B) Carnivore. C) Herbivore. D) Decoposer. Show Answer Correct Answer: B) Carnivore. 18. Which of these is an example of precipitation? A) Snow. B) Air. C) Clouds. D) Vapor. Show Answer Correct Answer: A) Snow. 19. The coral snakes that were able to survive the summer drought reproduced. Their offspring will likely be able to tolerate drought. Natural selection [or] Selective breeding? A) Natural selection. B) Selective breeding. Show Answer Correct Answer: A) Natural selection. 20. Choose the right meaning:energy A) Garbage. B) Energy. C) Recycling. D) None of above. Show Answer Correct Answer: B) Energy. ← PreviousNext →Related QuizzesScience QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8Ecology Quiz 9Ecology Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books