This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 169 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 169 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. To carry out ..... algae amd plants need sunlight, carbon dioxide, and water A) Predator adaptions. B) Carnivores. C) Photosynthesis. D) None of the above. Show Answer Correct Answer: C) Photosynthesis. 2. It is the study of land-based ecosystems along with the interactions of their communities of plants and animals. A) Land Ecology. B) Terrestrial Ecology. C) Ecosystem Ecology. D) Interaction Study. Show Answer Correct Answer: B) Terrestrial Ecology. 3. In an ecosystem, a producer: A) Produces organic molecules using energy from the sun or chemicals. B) Consumes other organisms, but produces most of the energy for an ecosystem. C) Produces more organisms that are of the same species as itself. D) None of above. Show Answer Correct Answer: A) Produces organic molecules using energy from the sun or chemicals. 4. The clownfish makes a home in the sea anemone and the sea anemone get food from the clownfish. This is ..... A) Commensalism. B) Mutualism. C) Parasitism. D) None of the above. Show Answer Correct Answer: B) Mutualism. 5. Herbivores eat this A) Meat. B) Plants. C) Meat and plants. D) None of above. Show Answer Correct Answer: B) Plants. 6. What is an animal that eats animals and plants? A) Carnivore. B) Herbivore. C) Omnivore. D) None of above. Show Answer Correct Answer: C) Omnivore. 7. ..... is all the same species in the same place at the same time. A) Ecosystem. B) Population. C) Community. D) Biome. Show Answer Correct Answer: B) Population. 8. Populations grow until they reach a ....., where they begin to level off A) Unit Cap. B) Limitation Range. C) Carrying Capacity. D) Population Stop. Show Answer Correct Answer: C) Carrying Capacity. 9. 6) How have plants adapted to survive in the desert? A) They have large root systems to collect water. B) They store water in their leaves and trunks. C) They have sharp spines to protect them from animals. D) All of the above. Show Answer Correct Answer: D) All of the above. 10. Omnivores consume both ..... and animals. A) Insects. B) Plants. Show Answer Correct Answer: B) Plants. 11. The largest a population can support over a long period of time is called ..... A) Limiting factors. B) Carrying capacity. C) Demography. D) Dispersion. Show Answer Correct Answer: B) Carrying capacity. 12. Which of the following statements is true of the phosphorus cycle? A) Phosphorus enters the atmosphere as phosphates. B) The phosphorus cycle utilizes the processes of erosion, and weathering. C) Phosphates are used in carbohydrate and glucose storage. D) The phosphorus cycle utilizes bacteria to breakdown phosphates and make them available for plants. Show Answer Correct Answer: B) The phosphorus cycle utilizes the processes of erosion, and weathering. 13. What process allows an organism to modify its tolerance levels of abiotic factors? A) Adaptation. B) Homeostasis. C) Acclimation. D) Hibernation. Show Answer Correct Answer: C) Acclimation. 14. This level focuses on all the biotic and abiotic components in a given area A) Biome. B) Ecosystem. C) Community. D) Population. Show Answer Correct Answer: B) Ecosystem. 15. Biome A) Individual ecosystems grouped together according to climate, predominant vegetation, adaptations particular to an environment. B) One or more communities at a certain time and place and abiotic factors(temp, soil, sunlight, etc.). C) A type of animal, plant, and bacteria. D) None of above. Show Answer Correct Answer: A) Individual ecosystems grouped together according to climate, predominant vegetation, adaptations particular to an environment. 16. Of the following, which is not a freshwater ecosystem? A) Lake. B) Coral reef. C) Pond. D) Swamp. Show Answer Correct Answer: B) Coral reef. 17. What is unique about water on earth A) It tastes good. B) It is frozen. C) It is in liquid form on the surface. D) It is only underground. Show Answer Correct Answer: C) It is in liquid form on the surface. 18. Consumer that eats plants are know to be ..... A) Heterotrophs. B) Herbivores. C) Producers. D) Communities. Show Answer Correct Answer: B) Herbivores. 19. A relationship where one organism eats another is called A) Competition. B) Commensalism. C) Mutualism. D) Predation. Show Answer Correct Answer: D) Predation. 20. The differences in DNA among individuals within a species. A) Genetic diversity. B) Species diversity. C) Resilient. D) Resistant. Show Answer Correct Answer: A) Genetic diversity. ← 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