This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 143 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 143 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Organisms belonging to the same species living together in the same place at the same time refer to a ..... A) Population. B) Ecosystem. C) Environment. D) Community. Show Answer Correct Answer: A) Population. 2. The study of the interactions that take place among organisms and their environment. A) Food chains. B) Ecology. C) Communities. D) Biosphere. Show Answer Correct Answer: B) Ecology. 3. Which of the following will increase the size of a population? A) Emigration and births. B) Immigration and deaths. C) Immigration and births. D) Emigration and deaths. Show Answer Correct Answer: C) Immigration and births. 4. Producers are organisms that A) Break down dead organic matter. B) Convert light into chemical energy. C) Obtain energy from another organism they feed on. D) Must be plants. Show Answer Correct Answer: B) Convert light into chemical energy. 5. Acid rain can damage A) Drinking water sources. B) Aquatic (water) life. C) Architecture / buildings. D) All options are correct. Show Answer Correct Answer: D) All options are correct. 6. Which choice below lists the levels of organization in an ecosystem from the SMALLEST unit of organization to the LARGEST. A) Population, organism, community, ecosystem. B) Organism, population, community, ecosystem. C) Organism, population, ecosystem, community. D) Organism, community, population, ecosystem. Show Answer Correct Answer: B) Organism, population, community, ecosystem. 7. Which is a CON of selective breeding? A) Can lead to inbreeding. B) Can make species stronger. C) Can breed species humans find desirable. D) None of above. Show Answer Correct Answer: A) Can lead to inbreeding. 8. Organisms that cannot make their own energy are called ..... A) Producers. B) Consumers. C) Scavengers. D) Herbivores. Show Answer Correct Answer: B) Consumers. 9. Which of these sources of energy is a renewable one? A) Wind. B) Coal. C) Oil. D) None of above. Show Answer Correct Answer: A) Wind. 10. A bison walks through the grass, insects become active and are seen and eaten by the cowbird A) Competition. B) Predation. C) Mutualism. D) Commensalism. E) Parasitism. Show Answer Correct Answer: D) Commensalism. 11. After plants and animals contain nitrogen, what puts it back into atmosphere and soil? A) Decomposition. B) Precipitation. C) Condensation. D) Bacteria. Show Answer Correct Answer: A) Decomposition. 12. Shows the transfer of energy from plants to animals. A) Ecosystem. B) Food chain. C) Food web. D) None of above. Show Answer Correct Answer: B) Food chain. 13. What type of succession starts on the earth's surface where there is no soil? A) Primary Succession. B) Secondary Succession. Show Answer Correct Answer: A) Primary Succession. 14. Parasitisim is when: A) One benefits. B) One benefits and the other is harmed. C) Both benefits both harmed. D) None of above. Show Answer Correct Answer: B) One benefits and the other is harmed. 15. Which biome is characterized by low temperatures and low amounts of rainfall? A) Tundra. B) Desert. C) Temperate Deciduous Forest. D) Tropical Rainforest. Show Answer Correct Answer: A) Tundra. 16. Stability within an ecosystem is achieved partially bythe presence of organisms that break down importantmolecules and return those nutrients to the soil. These organisms are A) Plants. B) Herbivores. C) More destructive. D) Decomposers. Show Answer Correct Answer: D) Decomposers. 17. An animal that eats both plants and animals A) Herbivore. B) Carnivore. C) Gomivole. D) None of above. Show Answer Correct Answer: C) Gomivole. 18. Birds eat the flies off of a rhino's back in the savannah A) Commensalism. B) Mutualism. C) Parasitism. D) None of above. Show Answer Correct Answer: B) Mutualism. 19. A biomass pyramid is a diagram that compares the A) Masses of different organisms. B) Numbers of different organisms. C) Biomass of different trophic levels. D) Distribution of energy in trophic levels. Show Answer Correct Answer: C) Biomass of different trophic levels. 20. Pioneer species are the first A) Trees to grow in an area that has been disturbed. B) Trees that replace the original trees after a forest fire. C) Organisms to live in previously uninhabited areas. D) Organisms to live in a forest canopy. Show Answer Correct Answer: C) Organisms to live in previously uninhabited areas. ← 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