This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 219 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 219 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The amount of species an ecosystem can support is a ..... A) Limiting factor. B) Carrying capacity. C) Population. D) Invasive species. Show Answer Correct Answer: B) Carrying capacity. 2. Tolerance is A) The relationship in which two species live close together. B) Series of gradual changes that occur in a community following a disturbance. C) Any necessity of life, such as water, light and food. D) The ability of an organism to survive and reproduce under circumstances that differ from their optimal conditions. Show Answer Correct Answer: D) The ability of an organism to survive and reproduce under circumstances that differ from their optimal conditions. 3. Exponential Growth is represented by ..... A) S-curve. B) J-curve. C) K-curve. D) Y-curve. Show Answer Correct Answer: B) J-curve. 4. A white shark eats a seal, the seal eats a fish, the fish eats zooplankton, and the zooplankton eats phytoplankton which is an autotroph. The seal is a A) Primary consumer. B) Secondary consumer. C) Tertiary consumer. D) Quaternary consumer. Show Answer Correct Answer: C) Tertiary consumer. 5. Which is NOT an example of a limiting factor. A) Climate. B) Available Food & Water. C) Available Space & Shelter. D) Species color. Show Answer Correct Answer: D) Species color. 6. A model that shows the complex feeding relationships among organisms in a community. A) Habitat. B) Food web. C) Producer. D) Population. Show Answer Correct Answer: B) Food web. 7. The animal's foot is called a ..... A) Knee. B) Leg. C) Paw. D) Elbow. Show Answer Correct Answer: C) Paw. 8. The carrying capacity of an environment for a particular species at a particular time is determined by the A) Number of individualsin the species. B) Distribution of thepopulation. C) Reproductivepotential of the species. D) Supply of the mostlimited resources. Show Answer Correct Answer: D) Supply of the mostlimited resources. 9. Components of an ecosystem include A) Soil, sunlight, water, and weather. B) Grass, trees, bees, and ants. C) All the biotic and abiotic factors in an area. D) All of the above. Show Answer Correct Answer: D) All of the above. 10. Green kids are A) Kids dressed in green. B) Kids who goes at picnic. C) Kids who are taking care about environment. D) Gnomes in fairy tales. Show Answer Correct Answer: C) Kids who are taking care about environment. 11. Nonliving, physical features of the environment, including air, water, sun, soil, temperature, and climate. A) Abiotic. B) Biotic. C) Producers. D) Food chain. Show Answer Correct Answer: A) Abiotic. 12. A duck, a dragonfly, a morel mushroom and a bobcat are all examples of ..... A) Organisms. B) Populations. C) Communities. D) Ecosystems. Show Answer Correct Answer: A) Organisms. 13. Which of the following best explains why nitrogen fixation must take place? A) Atmospheric nitrogen is unusable to plants and animals. B) Nitrogen must be returned to the atmosphere. C) Animals must breathe in nitrogen. D) Nitrogen gets "stuck" in the soil and must be untrapped. Show Answer Correct Answer: A) Atmospheric nitrogen is unusable to plants and animals. 14. Camels live in the desert and have wide, flat, leathery pads on the bottoms of their feet. This ADAPTATION most likely helps them- A) Walk on hot sand. B) Find sources of water. C) Store water in their humps. D) None of above. Show Answer Correct Answer: A) Walk on hot sand. 15. Which two biomes have the least inches of precipitation (snow and rainfall)? A) Grassland and desert. B) Savanna and desert. C) Tundra and desert. D) Taiga and desert. Show Answer Correct Answer: C) Tundra and desert. 16. What are the 3 types of symbiosis? A) 1. Omnivorous 2. Carnivores 3. Herbivore. B) 1. Commensalism 2. Parasitism 3. Mutualism. C) 1. Producer 2. Consumer 3. Decomposer. D) None of above. Show Answer Correct Answer: B) 1. Commensalism 2. Parasitism 3. Mutualism. 17. An example of a biotic organism is A) Fire. B) Rivers. C) Fallen tree. D) Rock. Show Answer Correct Answer: C) Fallen tree. 18. Which cycle depends mostly on the action of different bacteria and microorganisms commonly found in the plants roots? A) Carbon Cycle. B) Phosphorus Cycle. C) Nitrogen Cycle. D) Sulphur Cycle. Show Answer Correct Answer: C) Nitrogen Cycle. 19. CO2 is removed from the atmosphere by: A) Respiration. B) Microorganisms. C) Decay. D) Photosynthesis. Show Answer Correct Answer: D) Photosynthesis. 20. ..... is when living things struggle against one another to get resources-like food, water, space, mates, etc. A) Competition. B) Cooperation. C) Predation. D) Symbiosis. Show Answer Correct Answer: A) Competition. ← 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