This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Earth > Ecology – Quiz 39 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 39 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. All food webs and food chains begin with ..... A) Predators. B) Primary consumer. C) Producers. D) Secondary consumers. Show Answer Correct Answer: C) Producers. 2. The conversion of Ammonia to Nitrite A) Nitrification. B) Denitrification. C) Nitrogen Fixation. D) None of above. Show Answer Correct Answer: A) Nitrification. 3. Plants need ..... for photosynthesis A) Oxygen. B) Sugar. C) Carbon dioxide. D) Soil. Show Answer Correct Answer: C) Carbon dioxide. 4. Which is the correct order of the levels of organization from simple to complex? A) Organism, population, community, ecosystem. B) Ecosystem, community, population, organism. Show Answer Correct Answer: A) Organism, population, community, ecosystem. 5. Ideally, an inventory of an ecosystem should be taken: A) Before a problem is suspected. B) As soon as a study is needed. C) When species may be in danger of extinction. D) None of above. Show Answer Correct Answer: A) Before a problem is suspected. 6. The study of how living things interact in an environment is called A) Ecosystem. B) Biology. C) Ecology. D) None of above. Show Answer Correct Answer: C) Ecology. 7. In terms of the food chain, what are autotrophs called? A) Secondary Producers. B) Secondary consumers. C) Primary consumers. D) Primary producers. Show Answer Correct Answer: D) Primary producers. 8. As distance between objects increases the pull of gravity ..... A) Increases. B) Decreases. C) Stays the same. D) None of above. Show Answer Correct Answer: B) Decreases. 9. The graph shows what type of growth pattern? A) Exponential. B) Natural. C) Logistic. D) Derivative. Show Answer Correct Answer: C) Logistic. 10. What is an autotroph? A) Can synthesize their own food. B) Are dependent on other organisms for their food. C) Decoposer. D) None of above. Show Answer Correct Answer: A) Can synthesize their own food. 11. A lion has pointed teeth to help it tear meat off of the bone. A) Behavioral Adaptation. B) Physical/Structural Adaptation. Show Answer Correct Answer: B) Physical/Structural Adaptation. 12. Nitrogen fixing bacteria A) Change nitrogen for use by animals and plants. B) Are in the air. C) Are created by lightening. D) Are poison to plants. Show Answer Correct Answer: A) Change nitrogen for use by animals and plants. 13. All of the populations in an ecosystem refer to a(n) ..... A) Niche. B) Biosphere. C) Community. D) Environment. Show Answer Correct Answer: C) Community. 14. Dung beetles eat animal feces. A) False. B) True. Show Answer Correct Answer: B) True. 15. Most populations show what type of growth pattern? A) Logistic. B) Derivative. C) Exponential. D) Slow. Show Answer Correct Answer: A) Logistic. 16. This organism eats both plants and animals A) Plantivore. B) Carnivore. C) Herbivore. D) Omnivore. Show Answer Correct Answer: D) Omnivore. 17. We want ..... world be clean. A) Their. B) My. C) His. D) Our. Show Answer Correct Answer: D) Our. 18. When dandelion seeds are blown by the wind, they may sprout up wherever they land. What dispersion pattern is this? A) Uniform. B) Clumped. C) Random. D) Exponential. Show Answer Correct Answer: C) Random. 19. Which of the following is an example of a population? A) The cats and dogs in your neighborhood. B) The park at the heart of your neighborhood. C) The rocks in your rock collection. D) The gray wolves in a forest. Show Answer Correct Answer: D) The gray wolves in a forest. 20. What type of symbiosis? * Hummingbirds feed on nectar from flowers. * Flowers are pollinated by hummingbirds as they move from flower to flower. A) Predation. B) Commensalism. C) Mutualism. D) Parasitism. Show Answer Correct Answer: C) Mutualism. 21. Which of the following is an example of a primary consumer? A) Lion eating a zebra. B) A vulture eating a coyote. C) Deer eating grass. D) Crab eating a minnow. Show Answer Correct Answer: C) Deer eating grass. 22. Which type of organism helps to reduce atmospheric carbon dioxide? A) Decomposers. B) Herbivores. C) Producers. D) Carnivores. Show Answer Correct Answer: C) Producers. 23. Algae growth in a lake can be a result of which of these? A) Eutrophication/Nitrogen runoff. B) Over population of fish. C) Not enough clouds. D) Commensalism. Show Answer Correct Answer: A) Eutrophication/Nitrogen runoff. 24. Be threatened with extinction A) Be in danger of extinction. B) Red Book. C) Global problems. D) Extinction. Show Answer Correct Answer: A) Be in danger of extinction. 25. What pattern of growth will a population with limited resources show? A) Logistic. B) Logical. C) Exponential. D) Density-dependent. Show Answer Correct Answer: A) Logistic. 26. What's one problem with the pythons gobbling up all the small animals in the Everglades park? (paragraph 4) A) Other animals can't find any food. B) The deer weighed a total of 160 pounds. C) Scientists don't know exactly how many pythons are out there. D) None of above. Show Answer Correct Answer: A) Other animals can't find any food. 27. Some limiting factors that affect populations include lack of food, lack of water, lack of living space, and the spread of disease. A) True. B) False. Show Answer Correct Answer: A) True. 28. An organism that eats the secondary consumer. A) Tertiary Consumer. B) Primary Consumer. C) Secondary Consumer. D) Consumer. Show Answer Correct Answer: A) Tertiary Consumer. 29. Camouflage is an example of an ..... that a prey might have to survive. A) Competition. B) Niche. C) Adaptation. D) Prey. Show Answer Correct Answer: C) Adaptation. 30. Which biome is very dry for most or all of the year? A) Swamp. B) Desert. C) Temperate forest. D) Rainforest. Show Answer Correct Answer: B) Desert. 31. When birth rate is high and death rate is low ..... A) Population increases. B) Population decreases. C) Population stays the same. D) All of these. Show Answer Correct Answer: A) Population increases. 32. 1 living thing is called an ..... A) Population. B) Ecosystem. C) Organism. D) None of above. Show Answer Correct Answer: C) Organism. 33. What is ecosystem diversity ..... ? ..... A) Number of different species in the biosphere. B) Regional extinction. C) A species whose numbers are so small that the species is at risk of extinction. D) The variety of ecosystems that are present in the biosphere. Show Answer Correct Answer: D) The variety of ecosystems that are present in the biosphere. 34. Oxygen makes up most of Earth's atmosphere. A) False. B) True. Show Answer Correct Answer: A) False. 35. Oceans Humans are one of the main things that pollute the ocean. A) False. B) True. Show Answer Correct Answer: B) True. 36. A place where an organism lives that provides them food and shelter in order to survive. A) Population. B) Ecosystem. C) Biotic. D) Habitat. Show Answer Correct Answer: D) Habitat. 37. Abigail, Samuel, and Maya are studying the growth of plants in their school garden. They notice that some plants are not growing well. They realize that something is restricting the growth of these plants. This is known as a ..... A) Food shortage. B) Snow. C) Disease. D) Limiting factor. Show Answer Correct Answer: D) Limiting factor. 38. All the living (biotic) parts of an environment as well as the interactions among them A) True. B) False. Show Answer Correct Answer: B) False. 39. An organism's specific role in its habitat is called its A) Consumer. B) Birth right. C) Mutualism. D) Niche. Show Answer Correct Answer: D) Niche. 40. The 2 kingdoms that make up Prokaryotes are? A) Animals and Plants. B) Protists and Fungi. C) Archea and Bacteria. D) None of above. Show Answer Correct Answer: C) Archea and Bacteria. 41. The top trophic level on the energy pyramid A) Tertiary consumer. B) Producer. C) Primary consumer. D) Secondary consumer. Show Answer Correct Answer: A) Tertiary consumer. 42. Which organisms use energy from remains of dead animals and recycles nutrients back into the soil? A) Omnivores. B) Producers. C) Herbivores. D) Decomposers. Show Answer Correct Answer: D) Decomposers. 43. What ocean zone begins at the edge of the continental shelf and then extends outward into deeper water? A) Intertidal. B) Neretic. C) Littoral. D) Open ocean. Show Answer Correct Answer: D) Open ocean. 44. Individuals tend to compete if they belong in the same ..... A) Niche. B) Trophic level. C) Biome. D) Community. E) Habitat. Show Answer Correct Answer: A) Niche. 45. Mushrooms are ..... A) Biotic. B) Abiotic. Show Answer Correct Answer: A) Biotic. 46. Which term defined:The interconnection of food chains A) Food web. B) Food chain. C) Ecological pyramid. D) Trophic level. Show Answer Correct Answer: A) Food web. 47. Omnivores are consumers that feed on ..... A) Producers only. B) Consumers only. C) Both producers and consumers. D) Dead organisms. Show Answer Correct Answer: C) Both producers and consumers. 48. Plants are producers and go through this to make their own food. A) Energy pyramid. B) Photosynthesis. C) Herbivore. D) Cellular respiration. Show Answer Correct Answer: B) Photosynthesis. 49. The term biotic means;- A) Water based environments. B) Not a robot or robotic. C) Non-living things. D) Living Things. Show Answer Correct Answer: D) Living Things. 50. These organisms that are introduced to an area they are not native to can hurt the native populations A) Plague. B) Foreign creatures. C) Invasive species. D) Exclusive species. Show Answer Correct Answer: C) Invasive species. 51. What is the sequence of succession for this environment? A) A, D, B, C. B) A, B, C, D. C) C, B, D, A. D) C, A, B, D. Show Answer Correct Answer: C) C, B, D, A. 52. A trait or behavior that helps an organism survive in a particular environment. A) Adaptation. B) Epicotyl. C) Mitochondria. D) Interdependence. Show Answer Correct Answer: A) Adaptation. 53. What is one of the DIRECT outcome of deforestation? A) Coral reefs begin bleaching due to hot water temperatures. B) Houses begin being built on open land. C) Increase of poaching on animals, due to habitat loss. D) Species endangerment. Show Answer Correct Answer: C) Increase of poaching on animals, due to habitat loss. 54. Of the following, which are products of photosynthesis? I. Glucose II. Carbon dioxide III. Water A) I only. B) II only. C) III only. D) I, II, and III. Show Answer Correct Answer: A) I only. 55. An organism that can NOT create their own food but relies on eating other organisms. A) Symbiosis. B) Consumer. C) Producer. D) Limiting factor. Show Answer Correct Answer: B) Consumer. 56. Food, water, shelter and a space in which to live describes an organisms A) Habitat. B) Community. C) Biome. D) Population. Show Answer Correct Answer: A) Habitat. 57. An organism that captures light energy from the sun or an inorganic substance to produce its own food is a what? A) Autotroph. B) Heterotroph. Show Answer Correct Answer: A) Autotroph. 58. The bottom region of oceans and bodies of fresh water is A) Limnetic Zone. B) Benthos. C) Nekton. D) Benthic Zone. Show Answer Correct Answer: D) Benthic Zone. 59. Logistic population growth can be described as A) Growth when resources are limited. B) A s-shaped curve. C) Reaching carrying capacity. D) All of the above. Show Answer Correct Answer: D) All of the above. 60. The ecosystem in Los Santos is A) Tropical islands. B) Tropical mountain forests. C) Tropical dry forests. D) None of above. Show Answer Correct Answer: C) Tropical dry forests. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books