2.4 ecological tolerance

ecological tolerance

optimal environment in which it performs

range of tolerance

limits to abiotic conditions that species can tolerate before injury/death

can survive, grow, and reproduce

abiotic conditions

temperature, humidity, pH, salinity, flow rate, sunlight

different tolerance ranges

individuals within population may have slightly ____ ______ ____ for temperature/others factors bc genetic make-up, health, age

individuals/species

ecological tolerance can apply to ___ and ____

fundamental niche

set of abiotic conditions under which a species can survive, grow, and reproduce

realized niche

range of abiotic/biotic conditions under which a species actually lives

biotic factors

presence of competitors, disease, predators

optimum range

organisms can survive, grow, reproduce here

zone of physiological stress

organism can survive, but experiences “stress”

zone of intolerance

no organisms, dead