This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Earth > Ecology – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What are 4 ways to determine population size? A) Direct and Indirect observation, sampling, and Guess-and-check. B) Direct and Indirect observation, sampling, and mark-and recapture. C) Eating, Sleeping, playing, and breathing. D) Find the cosine of the bisector of angle a, then add it to the square root of 101010101012, and then divide by 253.5. Show Answer Correct Answer: B) Direct and Indirect observation, sampling, and mark-and recapture. 2. Every place on Earth that can support life (earth itself) A) Biome. B) Biosphere. C) Community. D) Population. Show Answer Correct Answer: B) Biosphere. 3. If we removed the grasshopper from the food web, how many other organisms would be affected? A) 1. B) 3. C) 2. D) More than 4. Show Answer Correct Answer: D) More than 4. 4. A sequence of biotic changes that regenerate or create an ecological community is known as A) Succession. B) Erosion. C) Factors. D) Migration. Show Answer Correct Answer: A) Succession. 5. An ecosystem contains living and nonliving things. A) True. B) False. Show Answer Correct Answer: A) True. 6. What factor describes when populations increase because animals are moving into a population? A) Emigration. B) Limiting Factors. C) Immigration. D) None of above. Show Answer Correct Answer: C) Immigration. 7. If a producer receives 5, 000, 000 kJ of energy, the primary consumer would only have access to about ..... kJ of energy A) 5, 000. B) 500, 000. C) 50, 000. D) None of above. Show Answer Correct Answer: B) 500, 000. 8. What is the first organisms to live in an ecosystem; often a lichen? A) Climax community. B) Pioneer species. C) Primary succession. D) Secondary succession. Show Answer Correct Answer: B) Pioneer species. 9. Competition is most likely to occur between which two organisms A) Deer and butterflies. B) Grass and strawberry plants. C) Goldfish and rabbits. D) Owls and bacteria. Show Answer Correct Answer: B) Grass and strawberry plants. 10. Which biome receives the most rain? A) Taiga. B) Tundra. C) Tropical rain forest. D) Temperate rain forest. Show Answer Correct Answer: C) Tropical rain forest. 11. An animal that hunts and eats other animals is A) Prey. B) Predator. C) Herbivore. D) None of above. Show Answer Correct Answer: B) Predator. 12. Each of the following is an abiotic factor in the environment EXCEPT A) Water. B) Sunlight. C) Plants. D) Soil. Show Answer Correct Answer: C) Plants. 13. The number of different species and the abundance of each species in a biological community. A) Species diversity. B) Ecosystem diversity. C) Extinction. D) Genetic diversity. Show Answer Correct Answer: A) Species diversity. 14. A consumer that only eats other living animals is called a(n) what? A) Carnivore. B) Decoposer. C) Herbivore. D) Omnivore. Show Answer Correct Answer: A) Carnivore. 15. Which of these is an example of precipitation? A) Air. B) Vapor. C) Snow. D) Clouds. Show Answer Correct Answer: C) Snow. 16. The coral snakes that were able to survive the summer drought reproduced. Their offspring will likely be able to tolerate drought. Natural selection [or] Selective breeding? A) Selective breeding. B) Natural selection. Show Answer Correct Answer: B) Natural selection. 17. Choose the right meaning:energy A) Garbage. B) Energy. C) Recycling. D) None of above. Show Answer Correct Answer: B) Energy. 18. What term refers to the surface of the earth that includes the atmosphere and hydrosphere? A) Lithosphere. B) Ecology. C) Biosphere. D) Interdependence. Show Answer Correct Answer: C) Biosphere. 19. Which is an example of an ecosystem? A) An area of cold climate and communities of different species. B) One elk. C) Elks, snow rabbits, and owls living in the same area. D) A group of elks living together in the same area. Show Answer Correct Answer: A) An area of cold climate and communities of different species. 20. A secondary consumer A) Eats primary consumers. B) Eats producers. C) Eats plants. D) None of above. Show Answer Correct Answer: A) Eats primary consumers. 21. All different population of different speices that live together in the same area A) Population. B) Community. Show Answer Correct Answer: B) Community. 22. A group of populations that interact in an area is called what? A) Population. B) Resources. C) Community. D) Squad. Show Answer Correct Answer: C) Community. 23. What is the primary reason for the extinction of native species when an invasive species is introduced? A) The invasive species consumes all the food resources. B) The invasive species brings new diseases. C) The invasive species outcompetes the native species for resources. D) The invasive species has no effect on the native species. Show Answer Correct Answer: C) The invasive species outcompetes the native species for resources. 24. Frogs are not important to a food web A) True. B) False. Show Answer Correct Answer: B) False. 25. Which limiting factor would increase due to the number of individuals in a population? A) Births. B) Disease. C) Natural disaster. D) Unusual weather. Show Answer Correct Answer: B) Disease. 26. Water released by plants is a product of ..... A) Water vapor. B) Transpiration. Show Answer Correct Answer: B) Transpiration. 27. The term Biosphere was coined by A) Eugene Warming. B) Edward Suess. C) Vladmir Vernadsky. D) Vito Volterra. Show Answer Correct Answer: B) Edward Suess. 28. Role filled by an organism in an ecosystem (How it makes its living) A) Niche. B) Adaptation. C) Environment. D) Habitat. Show Answer Correct Answer: A) Niche. 29. Relationship where one organism benefits and the other is neither harmed nor helped A) Mutualism. B) Parasitism. C) Competition. D) Commensalism. Show Answer Correct Answer: D) Commensalism. 30. The term biodiversity means: A) A wide variety of plants and animals in an ecosystem. B) Only a few types of plants and animals in an ecosystem. C) An ecosystem composed mostly of plants. D) An ecosystem composed mostly of animals. Show Answer Correct Answer: A) A wide variety of plants and animals in an ecosystem. 31. The process in which Nitrogen circulates and is recycled is called ..... A) The carbon cycle. B) The water cycle. C) The nitrogen cycle. D) Nitrogen Fixation. Show Answer Correct Answer: C) The nitrogen cycle. 32. Where can you find carbon? A) Only in the Earth's atmosphere. B) Inside all water molecules. C) Inside the sun. D) Inside every living thing on Earth. Show Answer Correct Answer: D) Inside every living thing on Earth. 33. How does winter affect a plant's ability to grow? A) More sunlight, which makes more plants. B) Less sunlight & colder temperatures reduces plant matter. C) More sunlight and high temperatures increases plant growth. D) Less nutrients causes there to be more plant growth. Show Answer Correct Answer: B) Less sunlight & colder temperatures reduces plant matter. 34. Pure water is considered neutral on the pH scale. Neutral on the pH scale is equal to ..... A) 10. B) 8. C) 7. D) None of above. Show Answer Correct Answer: C) 7. 35. Which best determines the number of wolves that can live in an area? A) The amount of food available in the area. B) The number of trees i the area. C) The amount of snow in the area each year. D) The number of birds that live in the area. Show Answer Correct Answer: A) The amount of food available in the area. 36. What is the lowest level of ecological organization? A) Ecosystem. B) Biosphere. C) Community. D) Individual. Show Answer Correct Answer: D) Individual. 37. Organisms are dependent on each other for survival. A) Limiting Factor. B) Competition. C) Interdependence. D) Community. Show Answer Correct Answer: C) Interdependence. 38. Which of the following would NOT be an example of a density dependent limiting factor? A) Space. B) Lack of food. C) Fire. D) Disease. Show Answer Correct Answer: C) Fire. 39. Can last or maintain over a long period of time. A) Carrying Capacity. B) Limiting Factor. C) Biodiversity. D) Sustainable. Show Answer Correct Answer: D) Sustainable. 40. What level has the least amount of energy on the Energy pyramid? A) Primary Consumers. B) Producers . C) Secondary Consumers. D) Tertiary Consumers. Show Answer Correct Answer: D) Tertiary Consumers. 41. An organism that is not native to an area and causes harm to the ecosystem. A) Biodiversity. B) Invasive Species. C) Epicotyl. D) Non-native species. Show Answer Correct Answer: B) Invasive Species. 42. Mutualism is when ..... A) No animal benefits from a relationship. B) One animal benefits from a relationship. C) Both animals MUTUALLY benefit. D) A brick wall laughs. Show Answer Correct Answer: C) Both animals MUTUALLY benefit. 43. The collection of all of the biotic and abiotic factors in an area describes- A) Ecosystem. B) Population. C) Organism. D) Community. Show Answer Correct Answer: A) Ecosystem. 44. The platypus has hair and makes milk for its young. To which group of animals does the platypus belong? A) Reptiles. B) Mammals. C) Birds. D) Amphibians. Show Answer Correct Answer: B) Mammals. 45. Which of the following is the best example of a micro-ecosystem? A) Small forest. B) Large lake. C) Under a dead tree log. D) Rainforest. Show Answer Correct Answer: C) Under a dead tree log. 46. I want to drink. I am..... A) Thirsty. B) Happy. C) Tired. D) Hungry. Show Answer Correct Answer: A) Thirsty. 47. What is the correct order of classification?family A) Kingdom, domain, phylum, class, order, family, genus, species. B) Domain, kingdom, phylum, class, order, family, genus, species. C) Species, genus, family, phylum, order, class, domain, kingdom. D) Domain, phylum, class, order, kingdom, family, genus, species. Show Answer Correct Answer: B) Domain, kingdom, phylum, class, order, family, genus, species. 48. What part of the plant does photosynthesis? A) Bark. B) Roots. C) Stomata. D) Chloroplasts. Show Answer Correct Answer: D) Chloroplasts. 49. Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the independent variable A) Type of fertilizer. B) Size of sunflower. C) Type of sun flower. D) None of above. Show Answer Correct Answer: A) Type of fertilizer. 50. Choose the correct levels of Organization from lowest to highest ..... A) Population, community, ecosystem, organism. B) Organism, population, community, ecosystem. C) Organism, population, ecosystem, community. D) None of above. Show Answer Correct Answer: B) Organism, population, community, ecosystem. 51. The median of these numbers:3, 3, 5, 6 would be: A) 4. B) 4.67. C) 3. D) 4.25. Show Answer Correct Answer: A) 4. 52. ..... get the energy they need to survive by consuming other animals. A) Herbivores. B) Omnivores. C) Carnivores. D) All of the above. Show Answer Correct Answer: D) All of the above. 53. What do the arrows in a food chain or food web indicate? A) The relatedness of organisms . B) The organism that is being eaten. C) The direction of energy transfer between organisms. D) Which organism is most abundant in the ecosystem. Show Answer Correct Answer: C) The direction of energy transfer between organisms. 54. The diagram below shows how an area progresses over time after a forest fire. What process is illustrated by the diagram in boxes 4-8 after the forest fire? A) Pioneer species. B) Ecosystem Boundaries. C) Secondary Succession. D) Primary Succession. Show Answer Correct Answer: C) Secondary Succession. 55. Differences between members of the same species are called A) Traits. B) Selections. C) Predators. D) Variations. Show Answer Correct Answer: D) Variations. 56. It is the study of the interactions of living organisms with their environment. A) Biology. B) Zoology. C) Ecology. D) Botany. Show Answer Correct Answer: C) Ecology. 57. What are the correct types of Trophic levels? A) Producers Primary Secondary Tertiary. B) Producers Consumers Decomposers. C) Primary Secondary. D) Producers Primary Secondary. Show Answer Correct Answer: A) Producers Primary Secondary Tertiary. 58. What converts nitrogen into a useable form for plants and animals? A) Bacteria. B) Fungi. C) Rain. D) None of above. Show Answer Correct Answer: A) Bacteria. 59. What is the correct order of primary succession? A) Lichen, Grass, Flowers, Moss, Bushes, Trees. B) Lichen, Moss, Flowers, Grass, Bushes, Trees. C) Trees, Bushes, Grass, Flowers, Moss, Lichen. D) Lichen, Flowers, Moss, Trees, Bushes. Show Answer Correct Answer: B) Lichen, Moss, Flowers, Grass, Bushes, Trees. 60. A biome is identified by its A) Average temperature and precipitation. B) Communities of the flora ( plants ) and fauna ( animals ) within the area. C) Distance from the equator. D) Specific geographical location. Show Answer Correct Answer: B) Communities of the flora ( plants ) and fauna ( animals ) within the area. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesEcology Quiz 1Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8Ecology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books