This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 109 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 109 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Organisms may compete for which of the following resources? A) Mates. B) Food. C) Territory. D) All of the above. Show Answer Correct Answer: D) All of the above. 2. The biome that is characterized by permafrost is A) Tropical rainforest. B) Tundra. C) Taiga. D) Temperate deciduous forest. Show Answer Correct Answer: B) Tundra. 3. Andrea is on the grils cross country tream. She is heading out for a run when she comes across 20 Canadian geese. What level of organization is this group of Canadian geese? A) Organism. B) Population. C) Community. D) Biome. Show Answer Correct Answer: B) Population. 4. Which of the following is NOT an abiotic component of climate? A) Temperature. B) Nutrients. C) Sunlight. D) Precipitation. E) Wind. Show Answer Correct Answer: B) Nutrients. 5. The total mass of living tissue within a trophic level A) Biomass. B) Trophic levels. C) Ecological pyramid. D) Biomagnification. Show Answer Correct Answer: A) Biomass. 6. An organism that gets energy from eating other organisms is a ..... A) Producer. B) Consumer. C) Decoposer. D) Prey. Show Answer Correct Answer: B) Consumer. 7. Which trophic level includes humans? A) 2nd, 3rd, and 4th trophic levels. B) Humans are secondary consumers. Show Answer Correct Answer: A) 2nd, 3rd, and 4th trophic levels. 8. All living organisms are mainly composed of what elements? A) Oxygen, Carbon, Hydrogen, Nitrogen. B) Carbon, Phosphorus, Nitrogen, Oxygen. C) Sodium, Carbon, Nitrogen, Hydrogen. D) Calcium, Phosphorus, Nitrogen, Oxygen. Show Answer Correct Answer: A) Oxygen, Carbon, Hydrogen, Nitrogen. 9. Which would describe a limiting factor? A) Something that is alive in an ecosystem. B) Something that isn't alive in an ecosystem. C) Something that helps survival rates in an ecosystem. D) Something the inhibits life and makes it harder for survival. Show Answer Correct Answer: D) Something the inhibits life and makes it harder for survival. 10. Lipids are made of ..... A) C H O. B) C H O N. C) C H O N P. D) C H O N S. Show Answer Correct Answer: A) C H O. 11. The first trophic level in a food chain is the A) Primary consumer. B) Secondary consumer. C) Producer. D) Tertiary consumer. Show Answer Correct Answer: C) Producer. 12. A bird stalks, kills, and then eats an insect. Based on its behavior, which ecological terms describe the bird? A) Herbivore, Decomposer. B) Producer, Heterotroph. C) Carnivore, Consumer. D) Autotroph, Herbivore. Show Answer Correct Answer: C) Carnivore, Consumer. 13. A primary consumer eats ..... A) Producers. B) Insects. C) Small rodents. D) Large mammals. Show Answer Correct Answer: A) Producers. 14. A mistletoe plant attaches itself to a spruce tree causing harm by absorbs the tree's water and nutrients. What type of relationship does this describe? A) Mutualism. B) Commensalism. C) Parasitism. D) None of above. Show Answer Correct Answer: C) Parasitism. 15. Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the dependent variable A) Type of fertilizer. B) Size of sunflower. C) Type of sunflower. D) None of above. Show Answer Correct Answer: B) Size of sunflower. 16. Organisms that must live on or inside another organism to get energy. A) Predator. B) Parasite. C) Prey. D) None of above. Show Answer Correct Answer: B) Parasite. 17. What is another word for producer? A) Heterotroph. B) Autotroph. Show Answer Correct Answer: B) Autotroph. 18. Which are located at the very BOTTOM of an energy pyramid? A) Producers. B) Consumers-Level 1. C) Consumers-Level 2. D) Decomposers. Show Answer Correct Answer: A) Producers. 19. Which of these describes an abiotic factor in the Tundra biome? A) Temperatures ranging from 50-95 degrees Fahrenheit. B) Strong cold winds. C) Snowy Owls. D) Lichen and other low growing plants. Show Answer Correct Answer: B) Strong cold winds. 20. A student wants to investigate competition between two populations of organisms. The investigation will need to include two species that- A) Have the same basic needs. B) Reproduce at a slow rate. C) Do not depend on water. D) Live in different biomes. Show Answer Correct Answer: A) Have the same basic needs. ← 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