This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Earth > Ecology – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What will happen to the population when the birth rate is larger than the death rate? A) Grow. B) Shrink. C) Stay the same. D) None of above. Show Answer Correct Answer: A) Grow. 2. The removal of a species of fish faster than it can be replenished, resulting in those species decreasing in that area is also known as A) Overfishing. B) Wasteful fishing. C) Illegal fishing. D) Underfishing. Show Answer Correct Answer: A) Overfishing. 3. What does a pyramid of numbers compare? A) The number of individual organisms at each trophic level. B) The number of individuals in each population. C) The number of predators and prey in an ecosystem. D) The number of different populations at each trophic level. Show Answer Correct Answer: A) The number of individual organisms at each trophic level. 4. What is the correct definition of population? A) Includes all the members of one species in a particular area. B) A group of organisms that are physically similar and can mate with each other. C) The place where an organism lives and that provides things the organism needs. D) None of above. Show Answer Correct Answer: A) Includes all the members of one species in a particular area. 5. Organisms that consume both plants and animals are referred to as A) Detrivorous. B) Omnivore. C) Carnivore. D) Herbivore. Show Answer Correct Answer: B) Omnivore. 6. Rain, sunlight, temperature, and soil are ..... factors. A) Biotic. B) Abiotic. C) Living. D) None of above. Show Answer Correct Answer: B) Abiotic. 7. In an energy level which tropic level has the least amount of energy? A) Primary consumers. B) Secondary consumers. C) Producers. D) Tertiary consumers. Show Answer Correct Answer: D) Tertiary consumers. 8. A niche is the role or job the population has in the ecosystem. A) False. B) True. Show Answer Correct Answer: B) True. 9. The change of a liquid to a gas; the sun heats energy up and turns water into vapor (gas) A) Precipitation. B) Condensation. C) Evaporation. D) Vapor. Show Answer Correct Answer: C) Evaporation. 10. What is a host in ecology? A) The guy who welcomes everybody in. B) A dog, cat, or a human. C) A host. D) An organism that provides a suitable environment for a parasite or something else to live. Show Answer Correct Answer: D) An organism that provides a suitable environment for a parasite or something else to live. 11. A community is made up of A) Only one species living together. B) Different populations of organisms relying on one another. C) Only plants. D) Only animals and bacteria. Show Answer Correct Answer: B) Different populations of organisms relying on one another. 12. Rocks, temperature, and humidity are examples of ..... factors in a ecosystem. A) Abiotic. B) Biotic. C) Nonlive. D) None of above. Show Answer Correct Answer: A) Abiotic. 13. Food, water, space and shelter are examples of A) Limiting factors. B) Biotic factors. C) Risk factors. D) None of above. Show Answer Correct Answer: A) Limiting factors. 14. Two factors effecting the magnitude of force of gravity between 2 objects are ..... A) Weight and mass. B) Distance and weight. C) Mass and matter. D) Mass and distance. Show Answer Correct Answer: D) Mass and distance. 15. In a mutual relationship, both organisms are ..... A) Harmed. B) Hurt. C) Not effected. D) Benefiting. Show Answer Correct Answer: D) Benefiting. 16. Typical pioneer species are A) Mosses and lichens. B) Ferns and Roses. C) Grasses and Shrubs. D) Animals and humans. Show Answer Correct Answer: A) Mosses and lichens. 17. Choose the right meaning:go away A) To save. B) Energy. C) Leave. D) None of above. Show Answer Correct Answer: C) Leave. 18. Variations between individuals of the same species A) Trophic diversity. B) Ecosystem diversity. C) Species diversity. D) Genetic diversity. Show Answer Correct Answer: D) Genetic diversity. 19. How does carbon become locked inside the earth? A) Tree roots expel carbon into the soil as they grow. B) Humans use machines to pump carbon dioxide into large underground tanks. C) Rocks become richer in carbon as time goes on. D) The carbon-rich bodies of plants and animals decay into the earth after they die. Show Answer Correct Answer: D) The carbon-rich bodies of plants and animals decay into the earth after they die. 20. Which of the following would be the definition of a detritivore? A) Organisms that feed on rocks, recycling the nutrients back into the ground. B) Organisms that eat only pants. C) Things that feed on dead organisms, recycling the nutrients back into the ground. D) Animals that eat insects. Show Answer Correct Answer: C) Things that feed on dead organisms, recycling the nutrients back into the ground. 21. An organism that makes its own food, like a plant. A) Decoposer. B) Dependent. C) Producer. D) Secondary. Show Answer Correct Answer: C) Producer. 22. There are birds that eat the food from between the teeth of alligators, leaving the alligators with clean teeth and the birds with a meal. What type of ongoing relationship is this? A) Mutualism. B) Commensalism. C) Parasitism. D) Predator & Prey. Show Answer Correct Answer: A) Mutualism. 23. What is the name of the imaginary line that 'divides' the world in half? A) Longitude. B) Latitude. C) Triangle. D) Equator. Show Answer Correct Answer: D) Equator. 24. A diagram that shows the amount of energy that moves from one level to another in a food web A) Adaptations. B) Food chain. C) Food web. D) Energy pyramid. Show Answer Correct Answer: D) Energy pyramid. 25. Resemblance of one organism to another A) Camouflage. B) Mimicry. Show Answer Correct Answer: B) Mimicry. 26. Growing legumes such as alfalfa or soy beans increases A) Ammonification. B) Ammonium oxidation. C) Denitrification. D) Nitrogen fixation. Show Answer Correct Answer: D) Nitrogen fixation. 27. Which kind of factor is this? sunlight A) Abiotic. B) Biotic. Show Answer Correct Answer: A) Abiotic. 28. All of the organisms living in a particular area (plants and animals) is known as what? A) Biome. B) Ecosystem. C) Terrestrial. D) Community. Show Answer Correct Answer: D) Community. 29. What is the likely result if an animal is introduced to an area where it has no predators? A) Its population will grow to a larger size. B) The species will evolve into a different species. C) Its average body size will decrease. D) It will become extinct. Show Answer Correct Answer: A) Its population will grow to a larger size. 30. Starts with BARE ROCK followed by lichen A) Primary succession. B) Secondary succession. C) Both types of succession. D) None of above. Show Answer Correct Answer: A) Primary succession. 31. Which picture shows "protect the environment" ? A) . B) . C) . D) . Show Answer Correct Answer: A) . 32. If a primary consumer (grazer) was the keystone species for an ecosystem and a trophic cascade occured due to its lower population. That would be a: A) Top-Down Effect. B) Bottom-Up Effect. Show Answer Correct Answer: B) Bottom-Up Effect. 33. The relationship between a Canadian lynx and a snowshoe hare is an example of A) Parasite and host. B) Predator and prey. C) Competition. D) Mutualism. Show Answer Correct Answer: B) Predator and prey. 34. A model that shows a simple diagram of how energy flows through an ecosystem is a(n) ..... A) Energy pyramid. B) Food pyramid. C) Food web. D) Food chain. Show Answer Correct Answer: D) Food chain. 35. The pattern of spacing a population within an area. A) Dispersion. B) Immigration. C) Emigration. D) Migration. Show Answer Correct Answer: A) Dispersion. 36. Which relationship is referring to an interaction where food, shelter, support or transportation is provided for one or both organisms? A) Symbiosis. B) Parasitism. C) Competition. D) Predation. Show Answer Correct Answer: A) Symbiosis. 37. What is the Product of Anaerobic Decay of Waste Materials? A) Carbon Dioxide. B) Biogas. Show Answer Correct Answer: B) Biogas. 38. What is labeled as 4? A) Biosphere. B) Biome. C) Ecosystem. D) Community. Show Answer Correct Answer: C) Ecosystem. 39. When two squirrels fight over the same nut A) Mutualism. B) Parasitism. C) Competition. D) Predation. E) Commensalism. Show Answer Correct Answer: C) Competition. 40. What makes up an environment? A) Only biotic factors. B) Only abiotic factors. C) Both biotic and abiotic factors. D) Neither biotic nor abiotic factors. Show Answer Correct Answer: C) Both biotic and abiotic factors. 41. What is overgrazing? A) When beavers create a structure that keeps water from flowing through. B) When humans put toxic chemicals in the water. C) When herd animals (like cows) over graze or eat too much from the land. D) When people throw seeds all over the land. Show Answer Correct Answer: C) When herd animals (like cows) over graze or eat too much from the land. 42. Which of the examples below can BEST be described as mutualism between animals? A) A tapeworm lives in the intestine of a bird and consumes the food that the bird has eaten. B) Mountain lions and wolves fight each other for the same deer. C) A bird eats parasites off a rhinoceros while the rhinoceros provides protection to the bird. D) Rats live in the garbage dump of a town and rarely interact with people. Show Answer Correct Answer: C) A bird eats parasites off a rhinoceros while the rhinoceros provides protection to the bird. 43. What is one of the best ways to represent theinterdependence of all of the organisms in anecosystem? A) A cell model. B) A diagram of the water cycle. C) A food chain. D) A food web. Show Answer Correct Answer: D) A food web. 44. If PRODUCERS are removed from an ecosystem, how would it affect the food web? A) There would be no change in the ecosystem. B) All of the other animal populations would diminish and possibly die. C) All of the other animal populations would increase and thrive. D) None of above. Show Answer Correct Answer: B) All of the other animal populations would diminish and possibly die. 45. Limiting factors help keep the ..... from growing too large. A) Population. B) Organism. C) Niche. D) None of above. Show Answer Correct Answer: A) Population. 46. Which of the following is an abiotic factor? A) Producer-consumer relationship. B) Disease. C) Sunlight. D) Food web. Show Answer Correct Answer: C) Sunlight. 47. Physical adaptations such as spines, horns, claws, larger eyes are A) Chemical defenses. B) Mechanical defenses. C) Poison. D) Odors. Show Answer Correct Answer: B) Mechanical defenses. 48. An organism that only eats plants A) Omnivore. B) Carnivore. C) Scavenger. D) Herbivore. Show Answer Correct Answer: D) Herbivore. 49. Visual pollution-visual pollution of the environment A) Right. B) Wrong. Show Answer Correct Answer: A) Right. 50. An organism that obtains energy by feeding on other organisms is called a A) Consumer. B) Producer. C) Decoposer. D) Witchcraft. Show Answer Correct Answer: A) Consumer. 51. A group of populations of different species that live in the same ecosystem and interact between each oher form ..... A) Community. B) Society. C) Biome. D) Population. Show Answer Correct Answer: A) Community. 52. Which of the following does NOT promote ecosystem stability? A) Ecosystems maintain a low biodiversity. B) Ecosystems use sunlight as their source of energy. C) Ecosystems are able to respond to environmental changes. D) Ecosystems replenish nutrients by recycling all elements. Show Answer Correct Answer: A) Ecosystems maintain a low biodiversity. 53. Which ecosystem is the most resistant to permanent change? A) Limited organisms in confined areas. B) Few organisms in a large region. C) Diverse organisms in a large region. D) None of above. Show Answer Correct Answer: C) Diverse organisms in a large region. 54. Choose the right meaning:look after A) To recycle. B) Maintain. C) To save. D) None of above. Show Answer Correct Answer: B) Maintain. 55. Which type of trees is found in a temperate forest? A) Evergreen. B) Ginkgo. C) Deciduous. D) Palm. Show Answer Correct Answer: C) Deciduous. 56. The members of the same species Microtus pennsylvanicus (field mice) living in a certain location make up a ..... ? A) Succession. B) Phylum. C) Community. D) Population. Show Answer Correct Answer: D) Population. 57. Which of these organisms can have a role of the producers? A) Mammals. B) Worms. C) Insects. D) Algae. Show Answer Correct Answer: D) Algae. 58. The slowest of the biogeochemical cyles that is only geological and does not include the atmosphere A) Phosphorous Cycle. B) Carbon Cycle. C) Nitrogen Cycle. D) Water Cycle. Show Answer Correct Answer: A) Phosphorous Cycle. 59. What type of symbiosis? * The Red-Chested cuckoo birds find an unattended robin nest, push out the robin eggs, and lay their eggs in the robin's nest, and leave. * Robin babies die and robin parents feed and take care of the cuckoo babies. A) Mutualism. B) Predation. C) Commensalism. D) Parasitism. Show Answer Correct Answer: B) Predation. 60. Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers where the larvae hatch and eat some of the developing seeds. Both species benefit. A) Commensalism. B) Parasitism. C) Mutualism. D) None of above. Show Answer Correct Answer: C) Mutualism. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8Ecology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books