Compromises between Gas Exchange & Water Loss

Question 1

The exchange of gases from the atmosphere is essential for the survival of organisms

Oxygen is required for ………..

Carbon dioxide is required for……

Answer 1

photosynthesis

respiration

Question 2

Water has a range of vital functions within organisms

It is a solvent that facilitates the ……..

Extreme water loss can lead to

Answer 2

transport of essential nutrients

death

Question 3

Scientists have observed in organisms that adaptations that reduce water loss negatively affect

Answer 3

gas exchange and vice versa
As a result, compromises have been made in organisms to ensure that there is a sufficient supply of both water and gases

Clear examples of this can be seen in terrestrial insects and xerophytic plants

Question 4

transpiration meaning

Answer 4

is where plants absorb water through the roots. It then travels up through the plant, in the xylem vessels, getting released into the atmosphere as water vapour through the leaves’ pores.