This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 204 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 204 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Any part of the Earth where life can exist is known as ..... A) Atmosphere. B) Community. C) Biosphere. D) Ecosystem. Show Answer Correct Answer: C) Biosphere. 2. In one year, 35 giraffes are born to a population. What does this number represent? A) Growth rate. B) Emigration. C) Immigration. D) Birth rate. Show Answer Correct Answer: D) Birth rate. 3. The physical environment makes the ..... for many different kinds of organisms. A) Habitat. B) Tree. C) Pond. D) Environment. Show Answer Correct Answer: A) Habitat. 4. What is labeled as 6? A) Biosphere. B) Community. C) Ecosystem. D) Biome. Show Answer Correct Answer: A) Biosphere. 5. A model that shows a sequence of feeding relationships A) Food web. B) Food chain. C) Consumer. D) Producer. Show Answer Correct Answer: B) Food chain. 6. Individual ecosystems grouped together according to the climate, the predominant vegetation, and characterized by adaptations of organisms to that particular environment. A) Biome. B) Map. C) Earth. D) None of above. Show Answer Correct Answer: A) Biome. 7. What happens to a prairie if it is overgrazed (too many cattle in a given space) by cattle? A) The soil becomes muddy. B) The soil turns to clay. C) The soil will become dry and sandy. D) There will be no effect. Show Answer Correct Answer: C) The soil will become dry and sandy. 8. What kingdom's organisms often live in super harsh environments? A) Archea. B) The animal. C) Plantae. D) Protists. Show Answer Correct Answer: A) Archea. 9. What is an example of a limiting factor? A) Food, water and space. B) Food, water and sunlight. Show Answer Correct Answer: A) Food, water and space. 10. Organisms that break down wastes and dead organisms and return the nutrients to the soil A) Producer. B) Consumer. C) Decoposer. D) Omnivore. Show Answer Correct Answer: C) Decoposer. 11. Eat plants and animals A) Herbivores. B) Prey. C) Omnivores. D) Predator. Show Answer Correct Answer: C) Omnivores. 12. ..... occurs when more than one individual or population tries to use the same limited resource. A) Niche. B) Predator-prey. C) Availability. D) Competition. Show Answer Correct Answer: D) Competition. 13. How plants get the nitrogen they need A) From the air. B) From the soil or water in which they live. C) From the Sun. D) From broken down rocks. Show Answer Correct Answer: B) From the soil or water in which they live. 14. Which of the following is an example of a prey organism's adaptation? A) A porcupine's needles. B) All of these are prey adaptations. C) A frog's bright colors. D) A plant's poisonous chemicals. Show Answer Correct Answer: B) All of these are prey adaptations. 15. Which of the following would alter the carrying capacity of an ecosystem for a particular species? A) An increase in the birth rate of that species. B) An increase in emigration of individuals of the species to a new habitat. C) A decrease in the death rate for members of the species. D) A decrease in water availability for the species due to a drought. Show Answer Correct Answer: D) A decrease in water availability for the species due to a drought. 16. An organism that cannot adapt to changes in the environment will most likely- A) Produce more offspring. B) Die. C) Change its traits to survive. D) Store more food. Show Answer Correct Answer: B) Die. 17. The deep ocean store carbon for thousands of years or more. A) True. B) False. Show Answer Correct Answer: A) True. 18. An example of a density independent factor would be ..... A) Temperature of a lake. B) Parasites that harm fish. C) The amount of algae available for primary comsumers. D) Bigger predators in the lake that eat the primary consumers. Show Answer Correct Answer: A) Temperature of a lake. 19. What are the equation for compost? A) Yellow Mix + Red Mix. B) White Mix + Black Mix. C) Blue Mix + Yellow Mix. D) Green Mix + Brown Mix. Show Answer Correct Answer: D) Green Mix + Brown Mix. 20. A hurricane is an example of a density dependent factor. A) True. B) False. Show Answer Correct Answer: B) False. ← 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