This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 129 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 129 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Why would an area be sparsely populated? A) Lack of natural resources. B) Land is covered with ice. C) Land cannot be developed. D) All of the above. Show Answer Correct Answer: D) All of the above. 2. Define habitat A) Role of an organism. B) Place where an organism live. C) A group of same species living together. D) A group of population of different species living together. Show Answer Correct Answer: A) Role of an organism. 3. Tapeworm A) Host. B) Parasite. C) Scavenger. D) Omnivore. Show Answer Correct Answer: B) Parasite. 4. How do you calculate population growth? A) (Birth-death)rate. B) Birth rate-death rate. C) (1+2364)1012x. D) You don't calculate it. Show Answer Correct Answer: B) Birth rate-death rate. 5. In what type of relationship do both organisms benefit from the relationship? A) Parasitism. B) Mutualism. C) Commensalism. D) Predation. Show Answer Correct Answer: B) Mutualism. 6. Non-living factors that affects an ecosystem A) Biotic factor. B) Food chain. C) Chemical factor. D) Abiotic factor. Show Answer Correct Answer: D) Abiotic factor. 7. Invasive species are: A) Non-native. B) Harmful to an ecosystem. C) Organisms that can lack predators in the new environment. D) All of the answers are correct. Show Answer Correct Answer: D) All of the answers are correct. 8. Ecosystem of plants and animals that occur over wide areas of land within specific climate region recognized by their overall appearance A) Nice. B) Habitat. C) Ecosystem. D) Biome. Show Answer Correct Answer: D) Biome. 9. Boquete and other tropical mountain forests in Panama are amazing for A) Summing in the beach. B) Hiking. C) Eat seafood. D) None of above. Show Answer Correct Answer: B) Hiking. 10. An organism, such as a green plant, that uses an outside source of energy like the sun to create their own food. A) Consumer. B) Producer. C) Abiotic. D) Food web. Show Answer Correct Answer: B) Producer. 11. What term describes a slow change in an environment? A) Abiotic. B) Biotic. C) Regression. D) Succession. Show Answer Correct Answer: D) Succession. 12. A farmer plants corn in the same field every year. Each year his production of corn decreases. What abiotic factor is causing this? A) Decrease in soil nutrients. B) Increase in precipitation. C) Increase in wind speed. D) Decrease in sunlight. Show Answer Correct Answer: A) Decrease in soil nutrients. 13. Which level of organization is made up of several groups of different species A) Community. B) Population. C) Ecosystem. D) Organism. Show Answer Correct Answer: A) Community. 14. What level comes after order? A) Genus. B) Kingdom. C) Family. D) Species. Show Answer Correct Answer: C) Family. 15. The type of consumer that eats primary consumers is a A) Producer. B) Secondary consumer. C) Tertiary consumer. D) Quaternary. Show Answer Correct Answer: B) Secondary consumer. 16. Which pyramid can be inverted ..... A) Energy. B) Numbers. C) Biomass. D) Numbers and biomass. Show Answer Correct Answer: D) Numbers and biomass. 17. When energy moves between trophic levels in an ecosystem what percentage of energy is lost due to heat? A) 10%. B) 50%. C) 90%. D) 20%. Show Answer Correct Answer: C) 90%. 18. The following diagrams represent a pyramid of numbers for two different ecosystems. What is the primary consumer for the terrestrial ecosystem? A) Snakes. B) Mice. C) Grasshoppers. D) Grasses. Show Answer Correct Answer: C) Grasshoppers. 19. Carrying Capacity is A) The capacity of what one person can carry per day. B) How many animals you have in your daily bag limit at the end of the year. C) Wildebeest at a watering hole with zebras. D) The maximum number of individuals that the environment can support. Show Answer Correct Answer: D) The maximum number of individuals that the environment can support. 20. A relationship between two species where one benefits while the other is harmed. A) Mutualism. B) Commensalism. C) Parasitism. D) Naturalism. Show Answer Correct Answer: C) Parasitism. ← 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