Thermal tolerance and performance

Question 1

Thermal acclimation meaning

Answer 1

Prolonged exposure to moderately altered temperatures can trigger lasting changes in thermal sensitivity

Question 2

What are thermal performance curves used for?

Answer 2

used to quantify and compare thermal optima and thermal breadths of performance between natural populations

Question 3

Pejus threshold

Answer 3

indicates the limits of optimum haemolymph oxygenation and where performance starts to decline

Question 4

What is the cause of decline in performance in terms of the Pejus Threshold?

Answer 4

the aerobic scope falls from optimal levels

Question 5

when is Aerobic performance maintained until?

Answer 5

denaturation temperatures

Question 6

What can be said about marine speices upper and lower thermal limits?

Answer 6

There’s a poleward decrease in both upper and lower thermal limits

Question 7

Stenothermal

Answer 7

An organism is able to tolerate only a small range of temperatures

Question 8

Eurythermal

Answer 8

An organism is able to tolerate a wide range of temperatures

Question 9

What is Thermal breadth?

Answer 9

The temperature range at which survival was equal or above to 50% of its peak (TPC)