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Bio182 NAU Exam 1- Questions and Answers
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Bio182 NAU Exam 1- Questions and Answers
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Bio182 NAU Exam 1- Questions and AnswersWhat is meant by carrying capacity? What is it that causes a population to have a carrying
capacity? Correct Ans-Carrying Capacity (K)
Maximum population size that a particular environment can sustain
Depends of species and resources available
Intraspecific Correct Ans-Between individuals of same species
Interspecific Correct Ans-Between individuals of different species
Exploitation Correct Ans-Organisms complete indirectly through the consumption of a
limited resource
Interference Correct Ans-Individuals interact directly with one another by physical force or
intimidation
competitive exclusion principle Correct Ans-If two species have an ecological niche that is
too similar the two species cannot coexist in the same place
Resource Partitioning Correct Ans-Differentiation of niches, both in space and time, that
enables to coexist in a community
, What is the definition of Ecology? Correct Ans-Study of interactions among organisms and
their environment
At what levels of life are focused on while studying ecology? Correct Ans-Organisms,
Population, Community, Ecosystems, and Biosphere
What is a biome? Correct Ans-A biome is a major aquatic or terrestrial life zone
What are biomes characterized by in both aquatic (water) and terrestrial (land) areas?
Correct Ans-Aquatic Biomes
Characterized by their salinity and other physical factors
Terrestrial Biomes
Characterized by their vegetation, precipitation, temperature
There are two major classes of aquatic biomes that are divided based on their salt content.
What are they? Correct Ans-Freshwater (Less than 1%)
Marine (2-3%)
What % of earth does fresh water cover? Correct Ans-Less then .01%
Tropical Rain Forest Correct Ans-Found in equatorial areas, warm, high precipitation
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