This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 231 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 231 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Density-dependent is..... A) Any force that affects the size of a population of living things in response to density of the population. B) Factors that occur regardless of how dense (crowded) the population may be. Show Answer Correct Answer: A) Any force that affects the size of a population of living things in response to density of the population. 2. Herbivore A) Producer. B) Primary consumer. C) Secondary consumer. D) Tertiary consumer. Show Answer Correct Answer: B) Primary consumer. 3. Some deep-sea bacteria live near submerged volcanoes and make their own food using energy derived from minerals coming from the volcanoes. These bacteria would be classified as A) Heterotrophic. B) Autotrophic. C) Photosynthetic. D) Abiotic. Show Answer Correct Answer: B) Autotrophic. 4. At each trophic level ..... % of energy is lost and ..... % of energy is transferred. A) 90, 10. B) 10, 90. C) 1, 9. D) 9, 1. Show Answer Correct Answer: A) 90, 10. 5. Rock A) Biotic. B) Abiotic. Show Answer Correct Answer: B) Abiotic. 6. Sublimation occurs when ice and snow change directly to ..... A) Water vapor. B) Recycling. Show Answer Correct Answer: A) Water vapor. 7. The series of changes an environment will take to restore itself after a disturbance is called A) Climax community. B) Climax change. C) Succession. D) Population growth. Show Answer Correct Answer: C) Succession. 8. Which of these problems could happen if we don't look after the resources we have? A) Loss of animal homes. B) Climate change. C) Increase in pollution. D) All of the above. Show Answer Correct Answer: D) All of the above. 9. Adaptation that allows an organism to blend into its environment A) Mimicry. B) Camouflage. Show Answer Correct Answer: B) Camouflage. 10. A deer population has significantly increased, the best hypothesis is A) The deer's main predator has been eliminated. B) Competition increased. C) Decreased water levels of local ponds. D) Organisms that rely on similar food sources migrated to the area. Show Answer Correct Answer: A) The deer's main predator has been eliminated. 11. Individual plants or animals in a population with certain desired traits are chosen by breeders, farmers, or ranchers to mate. The people hope to get the desired traits in the offspring. A) Natural selection. B) Selective breeding. C) Gene flow. D) Mutations. Show Answer Correct Answer: B) Selective breeding. 12. All the alligators in a swamp are an example of a(n) ..... A) Organism. B) Community. C) Population. D) Group. Show Answer Correct Answer: C) Population. 13. ..... occurs when plants release water vapor through stomata. A) Transpiration. B) Evaporation. Show Answer Correct Answer: A) Transpiration. 14. Recycling centers- A) Recycling. B) Recycling centers. C) Destruction. D) Ejection. Show Answer Correct Answer: B) Recycling centers. 15. Process by which a cell captures the energy in sunlight and uses it to make food. A) Respiration. B) Photosynthesis. C) Mitochondria. D) Chloroplast. Show Answer Correct Answer: B) Photosynthesis. 16. Herbivores are considered to be A) Autotrophs. B) Heterotrophs. C) Omnivores. D) Carnivores. Show Answer Correct Answer: B) Heterotrophs. 17. A large tract of land is purchased by a commercial agricultural company. The land is cleared of its native flora (plants), and a single crop is planted instead. What is the effect of this action? A) There is an increase in the variety of foods. B) The biodiversity of the area is reduced. C) Thereis a reduction in the size of the land. D) Thecost of the planted crop increases. Show Answer Correct Answer: B) The biodiversity of the area is reduced. 18. Which element do all living things have in common? A) Needing to breathe. B) Needing to eat. C) Carbon. D) None of above. Show Answer Correct Answer: C) Carbon. 19. Which level of consumer usually eats the first level consumers and the second level consumers? A) Primary consumer. B) Secondary consumer. C) Tertiary consumer. D) None of above. Show Answer Correct Answer: C) Tertiary consumer. 20. Poikilotherm animals A) Cold-blooded animals. B) Animal world. C) Insects. D) Warm-blooded animals. Show Answer Correct Answer: A) Cold-blooded animals. ← 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