Surface area to Volume ratio

Question 1

Bigger organisms have __________ SA:V

Answer 1

smaller

Question 2

Why do Larger organisms require specialised exchange surfaces and transport mechanisms?

Answer 2

to meet their metabolic requirements

Question 3

typical characteristics of a Specialised exchange surface

Answer 3

a large surface area, thin barriers and associated transport systems to maintain a steep diffusion
gradient.

Question 4

Apart from size, why would an organism need a specialised exchange surface?

Answer 4

higher metabolic rate requires more nutrients and produce more waste