This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 262 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 262 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Abby is walking to school with her best friend Jaylyn. They begin talking about everything they see including the ash trees, grass, weeds, ants, and people. They also notice how cold it is, how there are several large puffy clouds out, and how the sun is just starting to come up. What level of organization are they discussing? A) Community. B) Ecosystem. C) Biome. D) Biosphere. Show Answer Correct Answer: B) Ecosystem. 2. Explain why invertebrates are placed directly above the phytoplankton in this energy pyramid A) Because the invertebrates can only get energy from the bass. B) Because the plankton can only get energy from the sun. C) Because the birds can only get energy from the fish. D) Because the fish can only get energy from the sun. Show Answer Correct Answer: B) Because the plankton can only get energy from the sun. 3. Which describes the deep-water zone? A) It gets a lot of sunlight. B) It get no sunlight. C) No fish live there. D) Cattails and rushes grow there. Show Answer Correct Answer: B) It get no sunlight. 4. Which of the following breaks down organic matter and returns nutrients back to the soil? A) Scavengers. B) Decomposers. C) Herbivores. D) Omnivores. Show Answer Correct Answer: B) Decomposers. 5. Which of the following receives energy directly from the sun? A) Producers. B) Consumers. C) Decomposers. D) Inorganic Nutrients. Show Answer Correct Answer: A) Producers. 6. One organisms benefits and the other is not affect is known as A) Symbiosis. B) Mutualism. C) Commensalism. D) Parasitism. Show Answer Correct Answer: C) Commensalism. 7. The ability of the ecosystem to support organisms. A) Carrying Capacity. B) Limiting factor. C) Tolerance range. D) Optimum range. Show Answer Correct Answer: A) Carrying Capacity. 8. Decomposers are important because they return ..... to the soil for new producers to use and grow. A) Oxygen. B) Nitrogen. C) Producers. D) Nutrients. Show Answer Correct Answer: D) Nutrients. 9. Bacteria in an environment are special because they return dead material to the soil. This special role is given the name A) Consumer. B) Decoposer. C) Producer. D) Scavenger. Show Answer Correct Answer: B) Decoposer. 10. Part of a cycle that holds an element or water for a short period of time is a reservoir pool. A) True. B) False. Show Answer Correct Answer: B) False. 11. Which of the following best describes a population? A) All the organisms of a certain species in a given area. B) All the organisms in a habitat that compete for resources. C) One individual and all the organisms on which it depends. D) All of the living organisms which can be found in an area. Show Answer Correct Answer: A) All the organisms of a certain species in a given area. 12. A group of closely related organisms that are very similar to each other and are able to reproduce? A) Species. B) Ecosystem. C) Environment. D) Community. Show Answer Correct Answer: A) Species. 13. Which of the following is a part of an ecosystem that can die without affecting the ecosystems functionality? A) Plant. B) Water. C) Sunlight. D) None of the above. Show Answer Correct Answer: D) None of the above. 14. Which of these statements is the most complete definition of ecology? A) The study of the environment, in particular how to preserve it. B) The study of the environment, in particular how to save endangered species. C) The study of the interactions between organisms in terms of competition and predation. D) The study of the interactions between organisms and their environment. Show Answer Correct Answer: D) The study of the interactions between organisms and their environment. 15. Because of the permafrost, plants in the tundra have: A) Shallow root systems. B) Smaller leaves. C) Tiny hairs to collect water. D) Deep root systems. Show Answer Correct Answer: A) Shallow root systems. 16. What is the term that describes a steady and stable community? A) Peak community. B) Turf community. C) Climax community. D) Disturbed community. Show Answer Correct Answer: C) Climax community. 17. Which example shows a relationship between a living thing and a non-living thing? A) An insect is food for salmon. B) Water carries a rock downstream. C) A tree gets nutrients from the soil. D) A flower makes food for a butterfly. Show Answer Correct Answer: C) A tree gets nutrients from the soil. 18. Population of animal or plant at risk fo Extinction A) Endangered Species. B) Threaten Species. C) Extinction. D) None of above. Show Answer Correct Answer: A) Endangered Species. 19. Ecosystem with different kinds of plants & animals, determined by climate: A) Biosphere. B) Water Cycle. C) Biome. D) Habitat. Show Answer Correct Answer: C) Biome. 20. What will happen because of the heavy global use of fossil fuels? A) They will form again. B) The reserves will not be affected. C) The reserves will be used up. D) The price of fossil fuels will go down. Show Answer Correct Answer: C) The reserves will be used up. ← 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