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Ecology Quiz 31 (60 MCQs)

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1. Secondary succession can begin with a forest fire. What is left behind after the fire?
2. The single most important limiting factor in any terrestrial biome is .....
3. Sometimes, variation can be caused due to both inherited and environmental factors. Which of these is an example of inherited variation only?
4. To a monkey food, water, and living space are valuable .....
5. A relationship where one organism benefits and one organism is harmed is called .....
6. Which of the following aquatic ecosystem has the greatest NPP?
7. A group of living things that all belong to the same species is a .....
8. What do humans depend on to provides them food, clothing, energy, medicine, and shelter?
9. In the ecosystem, Secondary consumers are .....
10. Temperatures ..... as you get closer to the Equator.
11. What is it called when there is enough food to feed a population?
12. In an Ecosystem, energy flows:
13. Species, Population, Community, Ecosystem, Biosphere, Biome
14. All plants have nitrogen fixing nodules on their roots.
15. Consumer that eats only autotrophs to obtain energy:
16. The parts of an ecosystem that are currently living or that have once lived.
17. Adaptations that involve color, shape, and other physical characteristics
18. Which type of organisms are typically plants?
19. The carrying capacity is the ..... number of individuals in a population that can live in one area.
20. Indicate the biotic and abiotic factors that affect the distribution of organisms in an environment. Sunlight
21. Which of the following are common consumers in the tundra?
22. The study of interactions that take place between organisms and abiotic factors is .....
23. A group of organisms of the same species that live in the same area is called a(n)
24. Deer ticks harm deer in a symbiotic relationship. This means the deer tick is a
25. What are the plants that grow in open places with good light?
26. Which biome covers most of the land mass near the Earth's equator?
27. An organism that makes its own food is a
28. All of Earth's biomes (types of ecosystems) make up the .....
29. Assume that producers in an ecosystem have 1, 000, 000 kilocalories of energy. How much energy is available to primary consumers?
30. What do the arrows show in a food chain picture?
31. A stick blending in with the environment
32. How much energy is transferred between trophic levels?
33. This biome contains mostly spruce trees and Douglas firs, which are both evergreen. The winters are long and cold and the summers are short and rainy. The soil is very rich. Moose and elk live here. This biome is classified as a
34. What are three of the most important materials needed by living organisms?
35. Each level in a food chain or food web is called:
36. What is another name to describe a heterotroph?
37. A diagram that shows how food chains are connected
38. The cutting down or removal of all or most trees in a forested area
39. Greatest threat to biological diversity
40. Why does livestock produce less food per unit area than crop plants
41. A Rabbit eats plants and is an Herbivore. If the Rabbit is eaten by a Coyote then the Coyote is classified as a?
42. . Which of the following is an example of primary succession?
43. Phytoplankton are tiny animals that feed on zooplankton.
44. What is term correctly defines a biome?
45. Part of a cycle that holds an element or water for a long period of time
46. A community is a level in organization that is .....
47. All the different POPULATIONS that live together in an area make up a(n)
48. What is the largest and most inclusive level of ecological organization?
49. Which of the following BEST refers to a dynamic ecosystem?
50. Which of the following activities contributes the most to carbon emissions globally?
51. Which type of symbiosis is beneficial for both species involved?
52. Which phase of the water cycle occurs through the stomata of plant leaves?
53. Contain fresh and saltwater.
54. The Maximum size of a population that a given environment can support.
55. Which of the following is NOT a nonliving thing?
56. Which of the following producers will you most likely find in the taiga?
57. One organism benefits and the other is harmed
58. Animals that feed on other animals are .....
59. When water is heated in the ocean by the sun and turns into water vapor
60. Movement of individuals out of a population
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