This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 177 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 177 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Carnivore A) Producer. B) Primary consumer. C) Secondary consumer. D) Tertiary consumer. Show Answer Correct Answer: C) Secondary consumer. 2. An animal's population decreases from 800 individuals to 600 individuals. What could explain this change in population size? A) The number of animals leaving the population has decreased. B) The number of breeding pairs in the population has increased. C) The number of species competing with the animal has decreased. D) The population of the animal's predators has increased. Show Answer Correct Answer: D) The population of the animal's predators has increased. 3. Plants with seeds in cones are called? A) Angiosperms. B) Flowers. C) Gymnosperm. D) Mosses. Show Answer Correct Answer: C) Gymnosperm. 4. Which of the following is the highest level of organization within the environment? A) Population. B) Organism. C) Ecosystem. D) Biosphere. Show Answer Correct Answer: D) Biosphere. 5. Precipitation that contains high amounts of chemical pollutants that injures plants and pollutes the soil and rivers/oceans. A) Herbicide. B) Pesticide. C) Beach erosion. D) Acid rain. Show Answer Correct Answer: D) Acid rain. 6. If the climate in a cold region (like the Taiga) changed and the average weather patterns began to become warmer, would this affect the organisms living there? A) Yes. B) No. Show Answer Correct Answer: A) Yes. 7. All the following are decomposers except A) Worms. B) Bacteria. C) Fungi. D) Rats. Show Answer Correct Answer: D) Rats. 8. This means the amount of salt dissolved in water. A) Salinity. B) Salutation. C) Saturation. D) Saltiness. Show Answer Correct Answer: A) Salinity. 9. What all can be found in an ecosystem? A) All life on Earth. B) Only biotic factors. C) Only abiotic factors. D) Biotic and abiotic factors. Show Answer Correct Answer: D) Biotic and abiotic factors. 10. Niche is A) The place of an organisms in its habitat. B) An organisms in its habitat. C) The habitat. D) The roll of an organisms in its habitat. Show Answer Correct Answer: D) The roll of an organisms in its habitat. 11. Anything that can restrict the size of a population A) Limiting Factor. B) Carryoing Capacity. Show Answer Correct Answer: A) Limiting Factor. 12. Living thing that makes its own food is called: A) Niche. B) Decoposer. C) Consumer. D) Producer. Show Answer Correct Answer: D) Producer. 13. A place where matter/nutrients are collected/stored. A) A lake. B) A reservoir. C) A cloud. D) The atmosphere. Show Answer Correct Answer: B) A reservoir. 14. Sunlight is an ..... factor. A) Biotic. B) Abiotic. Show Answer Correct Answer: B) Abiotic. 15. What's in the picture? A) Rubber. B) Dog. C) Rubbish. D) Endangered species. Show Answer Correct Answer: C) Rubbish. 16. All the interacting populations in a specific area A) Heterotroph. B) Trophic. C) Biotic. D) Community. Show Answer Correct Answer: D) Community. 17. Temperature is an example of what kind of factor? A) Biotic. B) Abiotic. C) Dead. D) Living. Show Answer Correct Answer: B) Abiotic. 18. The nonliving aspects of the environment A) Abiotic factor. B) Biotic factor. Show Answer Correct Answer: A) Abiotic factor. 19. The number of individuals in an area A) Size. B) Density. C) Dispersion. D) None of above. Show Answer Correct Answer: A) Size. 20. What is an example of an omnivore A) Bear. B) Chicken. C) Shark. D) Hawk. Show Answer Correct Answer: A) Bear. ← 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