This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Earth > Ecology – Quiz 64 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 64 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What are the equation for compost? A) Yellow Mix + Red Mix. B) Green Mix + Brown Mix. C) White Mix + Black Mix. D) Blue Mix + Yellow Mix. Show Answer Correct Answer: B) Green Mix + Brown Mix. 2. A hurricane is an example of a density dependent factor. A) True. B) False. Show Answer Correct Answer: B) False. 3. Which organisms have access to the least amount of energy according to an energy pyramid A) Producers. B) Secondary consumers. C) Primary consumers. D) Tertiary consumers. Show Answer Correct Answer: D) Tertiary consumers. 4. An animal can extinct due to A) Presence of plenty of food. B) Appearance of new predator. C) Disappearance of predator. D) None of above. Show Answer Correct Answer: B) Appearance of new predator. 5. Global environment facility (gef)-global environmental fundgloom-gloom, darkness A) Right. B) Wrong. Show Answer Correct Answer: A) Right. 6. A system of interacting organisms and nonliving factors in a specified area A) Niche. B) Community. C) Ecosystem. D) Habitat. Show Answer Correct Answer: C) Ecosystem. 7. Each of the living things in an ecosystem has a different role. What does role mean? A) Sun. B) Energy. C) Air. D) Job, function. Show Answer Correct Answer: D) Job, function. 8. An organism that makes its own food is called a A) Chloroplast. B) Producer. C) Consumer. D) Heterotroph. Show Answer Correct Answer: B) Producer. 9. Is a weather an abiotic or biotic factor? A) Abiotic. B) Biotic. Show Answer Correct Answer: A) Abiotic. 10. List the zones of ocean areas from shallow to deep. A) Intertidal, neritic, oceanic. B) Oceanic, neritic, intertidal. C) Intertidal, oceanic, neritic. D) Neritic, intertidal, oceanic. Show Answer Correct Answer: A) Intertidal, neritic, oceanic. 11. Which biome would be found near the poles? A) Tropical rainforest. B) Taiga. C) Desert. D) Temperate deciduous. Show Answer Correct Answer: B) Taiga. 12. Water would be an example of: A) Abiotic. B) Biotic. Show Answer Correct Answer: A) Abiotic. 13. Maria and her classmates are observing animals at the pond. They notice that wood storks and ibisies both feed on fish. Which of these describes the relationship between these two birds. A) Parasitism. B) Competition. C) Predator and prey. D) Producer and consumer. Show Answer Correct Answer: B) Competition. 14. What factors do temperature, pressure, radiation background, humidity belong to? A) Anthropogenic. B) Alive. C) Abiotic. D) Anthropogenic. E) Artificial. Show Answer Correct Answer: C) Abiotic. 15. Which of the following is true of the taiga but NOT the tundra? A) The tundra has many species of reptiles. B) Elk and caribou often migrate to the tundra at different times of the year. C) It is often called the coniferous forest because of the conical trees there. D) The subsoil is referred to as permafrost because it is frozen solid all year. Show Answer Correct Answer: A) The tundra has many species of reptiles. 16. Tapeworms reside in human intestine and take nutrients from the human A) Symbiosis. B) Parasitism. C) Commensalism. D) None of above. Show Answer Correct Answer: B) Parasitism. 17. If a tertiary consumer (predator) was the keystone species for an ecosystem and a trophic cascade occured due to its lower population. That would be a: A) Bottom-Up Effect. B) Top-Down Effect. Show Answer Correct Answer: B) Top-Down Effect. 18. How are populations affected by short-term environmental changes? A) They do not have time to adapt to the changes that take place. B) They are not affected by the changed that take place. C) They increase in number significantly due to the changes that take place. D) Only certain individuals are affected by the changes that take place. Show Answer Correct Answer: A) They do not have time to adapt to the changes that take place. 19. Some birds fly south in the winter to avoid the cold. This is an example of ..... A) Instinct and migration. B) Migration and hibernation. C) Physical adaptation and migration. D) Instinct and physical adaptation. Show Answer Correct Answer: A) Instinct and migration. 20. What is the purpose of fungi in an ecosystem? A) Decomposer-breaks down dead material to add new proteins to the soil. B) Consumer-eats other organisms to receive energy. C) Producer-uses energy from the sun to make its own food. D) None of above. Show Answer Correct Answer: A) Decomposer-breaks down dead material to add new proteins to the soil. 21. The study of living things and their interactions with the environment. A) Symbiosis. B) Paleontology. C) Biology. D) Ecology. Show Answer Correct Answer: D) Ecology. 22. Homeostasis allows organisms to do all the following, except: A) Maintain cell functions. B) Maintain their personality. C) Control their temperature. D) Control their amount of water. Show Answer Correct Answer: B) Maintain their personality. 23. Which symbols best describe mutualism? A) +, -. B) +, +. C) -, 0. D) +, 0. Show Answer Correct Answer: B) +, +. 24. Adaptations may be: A) Structural, behavioural or functional. B) Structural (parts of the organism e.g. big ears). C) Behavioural. D) Structural or behavioural. Show Answer Correct Answer: D) Structural or behavioural. 25. Decomposers are very important in an ecosystem because they break down dead organisms. True or False? A) True. B) False. Show Answer Correct Answer: A) True. 26. The intertidal zone of oceans A) Surrounds continents. B) Is on the coastline. C) Has tides that rise and fall each day. D) Is the open ocean. Show Answer Correct Answer: C) Has tides that rise and fall each day. 27. What is the measurement of population per unit area or unit volume? A) Capacity. B) Capacity. C) Size. D) Population Density. Show Answer Correct Answer: D) Population Density. 28. Which biome holds the greatest biodiversity? A) Grassland. B) Tundra. C) Rainforest. D) Desert. Show Answer Correct Answer: C) Rainforest. 29. What percentage of energy passes on from one trophic level to the next? A) 10%. B) 1000%. C) 100%. D) 1%. Show Answer Correct Answer: A) 10%. 30. Resources that we find in nature and are used without much modification are called: A) Renewable resources. B) Human resources. C) Natural resources. D) Human made resources. Show Answer Correct Answer: C) Natural resources. 31. Metalloids conduct heat exactly like metals A) True. B) False. Show Answer Correct Answer: B) False. 32. Remora fish attach to sharks, and eat food scraps from the sharks' leftovers. The shark is unaffected. This is an example of: A) Decomposition. B) Commensalism. C) Mutualism. D) Parasitism. Show Answer Correct Answer: B) Commensalism. 33. What biological molecules require nitrogen in their structure? A) ATP. B) DNA. C) RNA. D) All of these. Show Answer Correct Answer: D) All of these. 34. How do we obtain energy from biomass fuels? A) Mix with water. B) Combine with chemicals. C) Burn it. D) Mine it. Show Answer Correct Answer: C) Burn it. 35. Bacteria, fungi, and worms typically serve what role in an ecosystem? A) Omnivore. B) Herbivore. C) Decoposer. D) Carnivore. Show Answer Correct Answer: C) Decoposer. 36. An example of a structural adaptation is ..... A) A turtle hiding inside its shell. B) The spikes on a porcupine fish. C) A rabbit burrowing underground. D) A viper biting when threatened. Show Answer Correct Answer: B) The spikes on a porcupine fish. 37. ..... are the living factors in an environment and may include food sources and other populations. A) Population. B) Competition. C) Biotic factors. D) Community. Show Answer Correct Answer: C) Biotic factors. 38. Which characteristics are biomes not classified by? A) Plants. B) Climate. C) Precipitation. D) Soil quality. Show Answer Correct Answer: D) Soil quality. 39. An illustration that uses arrows to show the MANY possible directions in which matter and energy can pass through the organisms in an ecosystem. A) Food web. B) Succession Map. C) Food chain. D) Energy Pyramid. Show Answer Correct Answer: A) Food web. 40. What is a food chain? A) The sequence of events that occurs during photosynthesis. B) A way to show how animals interact with nonliving parts of the environment. C) A representation of an organism's life cycle. D) A way to show the feeding relationships between organisms. Show Answer Correct Answer: D) A way to show the feeding relationships between organisms. 41. Organisms that obtains its energy from abiotic sources, such as sunlight or inorganic chemicals A) Heterotroph. B) Autotroph. C) Omnivore. D) Carnivore. Show Answer Correct Answer: B) Autotroph. 42. Is water an element or a compound? A) Compound. B) Element. Show Answer Correct Answer: A) Compound. 43. A group of deer, chipmunks, otters, and insects and their non-living surroundings is a(n) ..... A) Community. B) Ecosystem. C) Organism. D) Population. Show Answer Correct Answer: B) Ecosystem. 44. What is the definition of a population? A) All individuals of one kind living in one area. B) One single organism. C) Any living thing. D) Many different organisms living in one area. Show Answer Correct Answer: A) All individuals of one kind living in one area. 45. Given the food chain below, which organism occupies the third trophic level? Grass $\rightarrow$ grasshopper $\rightarrow$ mouse $\rightarrow$ snake A) Snake. B) Grass. C) Grasshopper. D) Mouse. Show Answer Correct Answer: D) Mouse. 46. Which feeds on nonliving organisms? A) Heterotroph. B) Autotroph. C) Parasite. D) Saprotroph. Show Answer Correct Answer: D) Saprotroph. 47. Where do consumers get energy? A) The water. B) Eating other organisms. C) Eating dirt. D) The sun. Show Answer Correct Answer: B) Eating other organisms. 48. In order for an ecosystem to remain stable there must b A) Drastic modifications to the environment. B) Interrelationships and interdependencies among organisms. C) Limited biodiversity. D) Gradual changes in the climate. Show Answer Correct Answer: B) Interrelationships and interdependencies among organisms. 49. Overpopulation is A) How many organisms can live in the same space at one time. B) Something that stops population growth. C) Having too many resources. D) Having an excessive amount of one species in a compact ecosystem (too many). Show Answer Correct Answer: D) Having an excessive amount of one species in a compact ecosystem (too many). 50. Which of these is NOT a common resource that determines how many individuals can survive in an environment A) Mates. B) Predators and Disease. C) Food and Water. D) Shelter. Show Answer Correct Answer: A) Mates. 51. Something that is fragile or easily damaged. A) Delicate. B) Harmful. C) Disease. D) None of above. Show Answer Correct Answer: A) Delicate. 52. In a typical food chain, about what percentage of energy is passed on to the next trophic level? A) 1%. B) 15%. C) 10%. D) 25%. Show Answer Correct Answer: C) 10%. 53. Density-Independent factors ..... A) Any force that affects the size of a population of living things in response to the density of the population. B) Factors that occur regardless of how dense the population may be. Show Answer Correct Answer: B) Factors that occur regardless of how dense the population may be. 54. They prey is the one being A) Looking for. B) Hunting. C) Eatin. D) Hunted. Show Answer Correct Answer: D) Hunted. 55. In an ecosystem the energy flow is always A) Always unidirectional. B) Always bidirectional. C) Always down directional. D) In any direction. Show Answer Correct Answer: A) Always unidirectional. 56. A group of similar ecosystems with the same general abiotic factors and primary producers. A) Biome. B) Climate. Show Answer Correct Answer: A) Biome. 57. Herbivores are which of the following? A) Producers. B) Secondary consumers. C) Primary consumers. D) Decomposers. Show Answer Correct Answer: C) Primary consumers. 58. Biological competition is ..... A) Organisms competing for different resources. B) Nonliving things. C) Organisms competing for the same resources. D) Living things. Show Answer Correct Answer: C) Organisms competing for the same resources. 59. This biome is found around the equator and is home to a large amount of biodiversity. A) Tropical Rain Forests. B) Deserts. C) Chaparral. D) Savannas. Show Answer Correct Answer: A) Tropical Rain Forests. 60. In an ecosystem, living things play different roles. Which living things in the ecosystem can be divided into 3 groups, what are they? A) Animals, plants, bacteria. B) Forest, plants, animals. C) Herbivores, carnivores, scavengers. D) Producers, consumers, decomposers. Show Answer Correct Answer: D) Producers, consumers, decomposers. ← 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