This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 9 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is emigration? A) The number of individuals born at the same time. B) The number of two species living in the same area. C) The number of individuals who died during a period of time. D) The displacement of a part of the population to the unfavorable parts of the given area. E) Excessive reduction in the birth of species. Show Answer Correct Answer: D) The displacement of a part of the population to the unfavorable parts of the given area. 2. All the members of one species in an ecosystem is a ..... A) Community. B) Population. C) Colony. D) Herd. Show Answer Correct Answer: B) Population. 3. ..... is the variety of organisms in a given area A) Variety. B) Gene Pool. C) Biodiversity. D) Nomenclature. Show Answer Correct Answer: C) Biodiversity. 4. What are some consequences of deforestation? A) Increased population in cities. B) Building of more infrastructure. C) Soil erosion, loss of biodiversity, loss of ability to remove CO2 from the atmosphere. D) More mercury and cyanide released into rivers. Show Answer Correct Answer: C) Soil erosion, loss of biodiversity, loss of ability to remove CO2 from the atmosphere. 5. What limits Population Growth? A) Birth rates increasing. B) Resources being used up. C) Natural selection taking place. D) None of the above. Show Answer Correct Answer: B) Resources being used up. 6. Organisms that make their own food are known as ..... A) Omnivores. B) Tetrabores. C) Heterotrophs. D) Autotrophs. Show Answer Correct Answer: D) Autotrophs. 7. The climate zones around the equator are A) Biomes. B) Temperate. C) Polar. D) Tropical. Show Answer Correct Answer: D) Tropical. 8. A bear happily eats berries and fish; therefore, it is what type of consumer? A) Herbivore. B) Omnivore. C) Carnivore. D) Producer. Show Answer Correct Answer: B) Omnivore. 9. Vultures and hyenas, which feed on the remains of dead organisms, are considered ..... A) Primary consumers. B) Scavengers. C) Producers. D) Herbivores. Show Answer Correct Answer: B) Scavengers. 10. A group of land ecosystems with similar climates and organisms is called a(n) A) Energy pyramid. B) Food chain. C) Food web. D) Biome. Show Answer Correct Answer: D) Biome. 11. Imagine a very hot summer with little rain. What would be the limiting factor for the populations of all of the animals? A) Competition. B) Food. C) Space. D) Water. Show Answer Correct Answer: D) Water. 12. Biotic factor is A) A living organism. B) A dead organism. Show Answer Correct Answer: A) A living organism. 13. Made up of interconnected food chain A) Consumer. B) Food web. C) Biotic. D) Abiotic. Show Answer Correct Answer: B) Food web. 14. Which way do the arrows point? A) Towards the animal doing the eating. B) Towards the animal being eaten. C) Right. D) Wrong. Show Answer Correct Answer: A) Towards the animal doing the eating. 15. The place an organism lives/calls home is what? A) A community. B) A population. C) A niche. D) To habitat. Show Answer Correct Answer: D) To habitat. 16. Is a group of lady bugs a population A) Yes. B) No. C) I dont know. D) Maybe. Show Answer Correct Answer: A) Yes. 17. Any population will increase in number if: A) Birth rate is more than death rate. B) Death rate is more than birth rate. C) Birth rate is equal to death rate. D) None of above. Show Answer Correct Answer: A) Birth rate is more than death rate. 18. A major, direct cause of habitat loss is A) Humans cutting down trees. B) Humans overharvesting fish. C) Greenhouse gas emissions. D) The destruction of the ozone layer. Show Answer Correct Answer: A) Humans cutting down trees. 19. Scientist who introduced the definition of ecological system A) E. Haeckel. B) R.Hook. C) IN AND. Vernadsky. D) Sh. Shvarts. E) A. Tansley. Show Answer Correct Answer: E) A. Tansley. 20. An ..... is made up of all the living (biotic) and non living (abiotic) in an area. A) Community. B) Biome. C) Ecosystem. D) Biosphere. Show Answer Correct Answer: C) Ecosystem. ← PreviousNext →Related QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8Ecology Quiz 10Ecology Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books