APES 2.4-2.5

Front

Tolerance

Back

the ability of an organism to survive and reproduce under circumstances that differ from their optimal conditions.

Front

What is the ecological range of tolerance?

Back

The range of conditions that an organism can endure before injury or death

Front

Which of the following is an example of a natural disturbance?

• Forest fires caused by human activities
• Tornados
• Fish kills from pollution
• Coral reef bleaching

Back

Tornados

Front

Term for species that thrive in a narrow range of environmental conditions.

Back

Specialists

Front

What is an optimum range?

Back

An organism's comfort zone

Front

Zone where small numbers can survive these difficult conditions

Back

zone of physiological stress

Front

Zone where a stable healthy population survives

Back

optimal range

Front

Zone where organisms cannot survive

Back

zone of intolorance

Front

What is the term for the range of abiotic factors in an ecosystem that allows organisms to survive?

Back

range of tolerance

Front

This zone has few organisms where the temperature is either too low or too high. The old and weak fish die in this zone.

Back

Zone of Physiological Stress