This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 186 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 186 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An example of producer consumer relationship would be A) Lion eating a deer. B) Grasshopper getting energy from grass. C) Hawk getting energy from snakes. D) Earthworm breaking down dead material. Show Answer Correct Answer: B) Grasshopper getting energy from grass. 2. What is mass effect? A) Number of births and deaths at the same time. B) Decrease in the number of two species living in the same area. C) An excessive increase in the number of individuals and an increase in population density. D) The number of individuals who died during a period of time. Show Answer Correct Answer: C) An excessive increase in the number of individuals and an increase in population density. 3. Southern Africa would be considered what biome? A) Desert. B) Grassland. C) Shrubland. D) Tropical rainforest. Show Answer Correct Answer: C) Shrubland. 4. In an ecosystem, ..... factors determine the carrying capacity of an environment and limit a population's growth and size. A) Exponential. B) Limiting. C) Biotic. D) Abiotic. Show Answer Correct Answer: B) Limiting. 5. What is the chemical in plants' leaves that performs photosynthesis and causes plants to be a green color? A) Chlorophyll. B) Carbon dioxide. C) Oxygen. D) None of above. Show Answer Correct Answer: A) Chlorophyll. 6. Choose the correct process described:Plants and animals break down sugars and metabolize them into CO2, water and ATP for energy A) Respiration. B) Photosynthesis. C) Combustion. D) Volcanic eruptions. Show Answer Correct Answer: A) Respiration. 7. What defines an organism that is not native to the area it lives in and has negative effects in some way? A) Invasive Species. B) Biodiversity. C) Food Chains. D) Food Webs. Show Answer Correct Answer: A) Invasive Species. 8. An ..... consists of all the biotic and abiotic factors in an area and their interactions A) Ecosystem. B) Carnivore. Show Answer Correct Answer: A) Ecosystem. 9. The relationship parasitism causes disease, and slows how quickly or a large a population can grow. A) False. B) True. Show Answer Correct Answer: B) True. 10. Which compound does NOT contain carbon atoms? A) Carbon dioxide. B) Ammonium. C) Calcium carbonate. D) Methane. Show Answer Correct Answer: B) Ammonium. 11. The greenhouse effect affects life on Earth by A) Trapping oxygen. B) Cooling the temperatures. C) Trapping warmth. D) Recycling nitrogen. Show Answer Correct Answer: C) Trapping warmth. 12. What is the area where a polar bear lives called? A) The igloo. B) The desert environment. C) The Arctic habitat. D) The winter habitat. Show Answer Correct Answer: C) The Arctic habitat. 13. What is the purpose of a dichotomous key? A) To find a common ancestor. B) To show the evolution of organisms. C) To show relationships between organisms. D) To identify organisms. Show Answer Correct Answer: D) To identify organisms. 14. What is made up of all populations in an area? A) Niche. B) Habitat. C) Community. D) Ecosystem. Show Answer Correct Answer: C) Community. 15. A consumer that hunts is called: A) A producer. B) An omnivore. C) A predator. D) A herbivore. Show Answer Correct Answer: C) A predator. 16. Mimicry, camouflage, and warning colors are examples of A) Prey adaptation. B) Predator adaptations. Show Answer Correct Answer: A) Prey adaptation. 17. What role do you play in the food web? A) Producer. B) Consumer. C) Decoposer. D) Human. Show Answer Correct Answer: B) Consumer. 18. What is the correct scientific term for all the different species in a habitat? A) A population. B) An ecosystem. C) A community. D) To square. Show Answer Correct Answer: C) A community. 19. Represents multiple pathways through which energy and matter flow A) Food chain. B) Food web. Show Answer Correct Answer: B) Food web. 20. A relationship between two organisms of different species where one benefits and the other is harmed A) Mutualism. B) Community. C) Parasitism. D) Population. Show Answer Correct Answer: C) Parasitism. ← 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