This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 200 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 200 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is a long term association/relationship between two organisms of different species? A) Symbiosis. B) Parasitism. C) Commensalism. D) Mutualism. Show Answer Correct Answer: A) Symbiosis. 2. What is the definition of habitat? A) The variety of plant and animal life in the world. B) The actual place an organism lives. C) The role the organism plays in its environment. D) The characters or an organism has. Show Answer Correct Answer: B) The actual place an organism lives. 3. The energy at each trophic level in the pryamid of energy decreases by a factor of ..... A) 10. B) 1. C) 100. D) 2. Show Answer Correct Answer: A) 10. 4. Non-native organisms that harm native species or cause environmental or economic damage. A) Invasive species. B) Consumer. C) Apex predator. D) Introduced species. Show Answer Correct Answer: A) Invasive species. 5. The branch of biology dealing with interactions among organisms and between organisms and their environment is called A) Ecology. B) Modeling. C) Recycling. D) Economy. Show Answer Correct Answer: A) Ecology. 6. We can ..... paper, tins, bottles. A) Save. B) Hurt. C) Bring. D) Recycle. Show Answer Correct Answer: D) Recycle. 7. Choose the right meaning:pick A) Harm. B) Leave. C) Pick. D) None of above. Show Answer Correct Answer: C) Pick. 8. Barancles attach to whales in order in increase food intake. The whale is unaffected. What type of symbiotic relationship is shown? A) Commensalism. B) Parasitism. C) Mutualism. D) None of above. Show Answer Correct Answer: A) Commensalism. 9. All of the following are types of consumers EXCEPT for A) Carnivore. B) Herbivore. C) Omnivore. D) Producer. Show Answer Correct Answer: D) Producer. 10. The ecosystem of some dairy cows includes the fields in which they graze, eating the grass they need. Too many cows can be harmful to their ecosystem because they could- A) Produce too much milk. B) Scare away predators. C) Raise the temperature. D) Remove all the vegetation. Show Answer Correct Answer: D) Remove all the vegetation. 11. Bacteria, fungi, and earthworms are examples of: A) Scavengers. B) Predators. C) Prey. D) Decomposers. Show Answer Correct Answer: D) Decomposers. 12. Honeybee feeds on nectar from honey suckle plant and carrying pollen to next plant A) Competition. B) Mutualism. C) Predation. D) Commensalism. Show Answer Correct Answer: B) Mutualism. 13. Which of the following results when nitrogen and sulfur-containing compounds mix with water in the atmosphere? A) Global warming. B) Ozone depletion. C) Acid rain. D) Thermal pollution. Show Answer Correct Answer: C) Acid rain. 14. Which of the following is a NOT true characteristic of pioneer species? A) Could be something other than moss or lichen depending on ecosystem circumstance. B) A species that is first establishes a community in a given area. C) They can only grow when there areanimals already living in the area. D) None of above. Show Answer Correct Answer: C) They can only grow when there areanimals already living in the area. 15. If a species is close to extinction it is A) Overpopulated. B) Abiotic. C) Endangered. D) Growing. Show Answer Correct Answer: C) Endangered. 16. We need to ..... the park. A) Leave. B) Walk. C) Play. D) Clean. Show Answer Correct Answer: D) Clean. 17. 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. 18. 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. 19. 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. 20. 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. ← 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