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Ecology Quiz 34 (60 MCQs)

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1. The variety of environments produced by the interaction between biotic and abiotic factors. (ex:lakes, ponds, and rivers are all freshwater ecosystems)
2. One type of air pollution is the addition of carbon dioxide gas into the air. This causes the .....
3. New fuels are being produced by converting corn and grasses into compounds containing alcohols that can be broken down for energy in various engines. The purpose of this research is to
4. An example of a producer is
5. Trophic levels are represented by
6. Drought-resistant plants that reduce water evaporation
7. Which of the following would NOT be a producer?
8. Which is an example of population?
9. Which factor is a density-dependent limiting factor on the population of a species?
10. ..... and ..... crate an ecosystem
11. Make their own food
12. Extinct-extinct to run out of-end
13. A gas produced by plants during photosynthesis that animals use for respiration.
14. Which is NOT a detrivore
15. A group of species that live in the same area is a .....
16. Which type of consumer comes first in a food chain, food web, or energy pyramid?
17. The ways living organisms interact is called:
18. Which of the following includes organisms interacting with their environment (abiotic factors)?
19. Which organisms recycle carbon in decaying matter back into atmospheric carbon dioxide?
20. The organisms in a community, as well as all of the nonliving aspects of the environment are a(n):
21. Random sampling is used:
22. A relationship between two organisms where one organism benefits and the other organism is not benefited or harmed is known as .....
23. Pontential growth of a population if there were perfect conditions and no limiting factors
24. Deforestation of areas considered to be rich sources of genetic material could limit future agricultural and medical advances due to
25. Increased industrialization will most likely
26. This biome is characterized by few trees and many grasses, is warm and has lions, tigers, and giraffes .....
27. How much energy is available in the 2nd level?
28. An animal that eats an animal that ate producers
29. Which is not essential in a viable mesocosm?
30. Organisms may compete for which of the following resources?
31. The biome that is characterized by permafrost is
32. Andrea is on the grils cross country tream. She is heading out for a run when she comes across 20 Canadian geese. What level of organization is this group of Canadian geese?
33. Which of the following is NOT an abiotic component of climate?
34. The total mass of living tissue within a trophic level
35. Which trophic level includes humans?
36. All living organisms are mainly composed of what elements?
37. Which would describe a limiting factor?
38. The first trophic level in a food chain is the
39. A bird stalks, kills, and then eats an insect. Based on its behavior, which ecological terms describe the bird?
40. A primary consumer eats .....
41. A mistletoe plant attaches itself to a spruce tree causing harm by absorbs the tree's water and nutrients. What type of relationship does this describe?
42. Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the dependent variable
43. Organisms that must live on or inside another organism to get energy.
44. What is another word for producer?
45. Which are located at the very BOTTOM of an energy pyramid?
46. Which of these describes an abiotic factor in the Tundra biome?
47. A student wants to investigate competition between two populations of organisms. The investigation will need to include two species that-
48. Which of the following does NOT explain how deforestation might increase the risk of flooding?
49. All the populations of different species in a particular area
50. If the birthrate is greater than the deathrate, what will happen to the size of the population? (birthrate > deathrate)
51. Endangered animal species are listed in:
52. Which of the fallowing has only abiotic factors?
53. DIFFERENT populations living together and interacting in an area
54. The process of changing nitrogen gas to nitrates is called
55. Which process releases water vapour to the atmosphere?
56. A species that is very important because many organisms in the ecosystem depend on it is known as a(n):
57. Plants will bend to grow toward the sun even when placed in a windowsill. Which term refers to a plant's response to sunlight?
58. This refers to the VARIETY of life on Earth at all its levels, from genes to ecosystems, and can encompass the evolutionary, ecological, and cultural processes that sustain life.
59. A species that has a greater impact on the ecosystem than its number would indicate
60. A hawk that ate a snake that ate a mouse that ate grass seed is a .....
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