Revision Flashcards
1
Q
What is the relationship between SA:V and how well an organism can exchange materials?
A
Having a larger surface area to exchanging material easier because there is more space in which materials can enter
2
Q
Stomata
A
Provide a large surface area to flat thin leaves tenant maintain a steep concentration gradient
3
Q
Aveoli
A
When air is moved into and out of the lungs ventilating millions of tiny air sacs
4
Q
How does diffusion differ to active transport?
A
Active transport goes up the concentration gradient whereas diffusion goes down
