This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 197 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 197 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which type of consumer eats both plant and animal life? A) Herbivores. B) More destructive. C) Omnivores. D) Carnivores. Show Answer Correct Answer: C) Omnivores. 2. Which is true of prokaryotic and eukaryotic cells? A) Prokaryotic cells are larger than eukaryotic cells. B) Eukaryotic cells do not have nuclei, and prokaryotic cells do have nuclei. C) Prokaryotic cells lack membrane-bound organelles, and eukaryotic cells contain membrane-bound organelles. D) Eukaryotic cells are simpler than prokaryotic cells. Show Answer Correct Answer: C) Prokaryotic cells lack membrane-bound organelles, and eukaryotic cells contain membrane-bound organelles. 3. Does it rain a lot in the rainforest? A) Yes. B) No. C) Of course not. D) I don't care. Show Answer Correct Answer: A) Yes. 4. Bats eat millions of pounds of insects a year. If there is a rabies outbreak in a local bat populations, what is a likely effect of the decreased number of bats? A) The insect population in the area will also decrease. B) The population of rodents in the area will increase. C) The types of plants in the area will increase. D) The disease spread by insects will increase. Show Answer Correct Answer: D) The disease spread by insects will increase. 5. An example of an extreme environment would be: A) The sun. B) Deep sea vents. C) Sewer systems. D) The human stomach. Show Answer Correct Answer: B) Deep sea vents. 6. Place where an organism lives A) Hole. B) House. C) Prey. D) Habitat. Show Answer Correct Answer: D) Habitat. 7. What would you call an ecological symbiotic relationship that is helpful to both organisms involved? A) Commensalism. B) Niche. C) Mutualism. D) Habitat. E) Parasitism. Show Answer Correct Answer: C) Mutualism. 8. How does nitrogen become part of the food chain? A) Through transpiration by plants. B) Through uptake of nitrogen compounds in the soil by plants. C) Through factory emission and combustion of fossil fuels. D) Sunlight changes nitrogen into usable forms. Show Answer Correct Answer: B) Through uptake of nitrogen compounds in the soil by plants. 9. A density independent factor is ..... A) Where allele frequencies will always remain constant. B) Where the effect on a population will always be the same no matter the population size. C) Where the the effect something has on a population will be due to how many organisms are in the population. D) Where a population has reached its limit for the number of individuals the ecosystem can sustain. Show Answer Correct Answer: B) Where the effect on a population will always be the same no matter the population size. 10. What is an Abiotic example? A) Parrot. B) Precipitation. C) Trout. D) Grass. Show Answer Correct Answer: B) Precipitation. 11. Which food chain passes on the largest proportion of energy to humans? A) Beans $\longrightarrow$. B) Corn $\longrightarrow$ $\longrightarrow$. C) Plankton$\longrightarrow$ $\longrightarrow$. D) Seaweed$\longrightarrow$ $\longrightarrow$ $\longrightarrow$. Show Answer Correct Answer: A) Beans $\longrightarrow$. 12. When two or more organisms fight for resources it is called ..... A) Competition. B) Fighting. C) Prey. D) Parasitism. Show Answer Correct Answer: A) Competition. 13. Mistletoe grows on an oak tree in a forest ecosystem. The mistletoe gets all of its nutrients from the oak tree but the oak tree does not benefit. The mistletoe is a ..... A) Host. B) Producer. C) Consumer. D) Parasite. Show Answer Correct Answer: D) Parasite. 14. An environmental system made up of organisms interacting with one another and with nonliving factors to form a work unit. A) Food Chain. B) Hydrological System. C) Weathering. D) Ecosystem. Show Answer Correct Answer: D) Ecosystem. 15. The relationship between autotrophs and producers is A) That they are the same organisms. B) That autotrophs eat producers. Show Answer Correct Answer: A) That they are the same organisms. 16. An animal that is hunted and eaten for food is a A) Predator. B) Prey. Show Answer Correct Answer: B) Prey. 17. Earth is also known as a A) A gas giant. B) Fourth rock from the sun. C) A star. D) Biosphere. Show Answer Correct Answer: D) Biosphere. 18. Which feature of deforestation has the greatest effect on the atmosphere? A) Extinction of forest animal species. B) Soil erosion. C) Increased risk of flooding. D) Reduction of photosynthesis. Show Answer Correct Answer: D) Reduction of photosynthesis. 19. After land is cleared for farming, what type of succession might occur? A) Primary. B) Secondary. C) Tertiary. D) None of above. Show Answer Correct Answer: B) Secondary. 20. Population includes A) All the living things in an area. B) All the nonliving things in an area. C) All the organisms of the same species in an area. D) All the abiotic and biotic factors. Show Answer Correct Answer: C) All the organisms of the same species in an area. ← 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