Practice Quiz

MTEL Biology Practice Exam - Question List

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81.
Which of the following conditions is a particular problem for organisms living in estuaries?
  1. Availability of light.
  2. Leaching of nutrients.
  3. Erosion of substrate.
  4. Variation in salinity.
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82.
Which of the following pairs of environmental factors together represents the primary determinant of the distribution of terrestrial biomes worldwide?
  1. Mean temperature and precipitation.
  2. Elevation and mean precipitation.
  3. Mean temperature and soil type.
  4. Elevation and soil type
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83.
When existing species in a habitat alter environmental conditions in such a way that they inhibit their own reproduction in relation to other species, which of the following events is likely to occur?
  1. Density independent selection.
  2. Habitat fragmentation.
  3. Boom and bust population cycles.
  4. Secondary succession.
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84.
There is less biomass at higher trophic levels of an ecosystem because at the higher trophic levels:
  1. Biodiversity is lower.
  2. Less energy is available.
  3. Decomposers are dominant.
  4. Toxic compounds accumulate.
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85.
Which of the following best explains why wildflowers on the forest floor in temperate deciduous forests often bloom between late March and early May in Massachusetts?
  1. Higher temperatures are more prevalent later in the summer.
  2. Pollinators are more available in early spring.
  3. Light is a limiting factor later in the summer.
  4. Fewer insect herbivores are active in the early spring.
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