APES - 2.4 - Ecological Tolerance
ecological range of tolerance - correct answer - Range of conditions such as
temperature, salinity, pH, or sunlight that an organism can endure before injury or
death results
species and individual organisms both have... - correct answer ...range of tolerance
for all the diff. environmental conditions of their habitat
- ex: salmon have a basic range of tolerance for temp. from 6 degrees to 22 degrees
C. But some individual salmon have adaptations that give them a range of tolerance
that is outside the basic range for the species
-- (due to genetic biodiversity; makes populations of salmon more resistant to
disturbances, like global warming)
Ecological Range of Tolerance Zones pt. 1 - correct answer Optimal range- range
where organisms survive, grow, and reproduce
Ecological Range of Tolerance Zones pt. 2 - correct answer Zone of physiological
stress- range where organisms survive, but experience some stress such as
infertility, lack of growth, decreased activity, etc.
Ecological Range of Tolerance Zones pt. 3 - correct answer Zone of intolerance-
range where organisms will die
- ex: thermal shock, suffocation, lack of food/water/oxygen
