Exchange and Transport Systems Flashcards
1
Q
Why is diffusion across the membrane too hard in multicellular organisms?
A
Cells are too deep within the body.
Low surface area to volume ratio
2
Q
Behavioural and Physiological adaptions to aid exchange.
A
Thick fur to reduce heat loss
Eat high energy foods like seeds and nuts to aid metabolic rate.
Kidney adaptations to reduce urine loss for animals with less water sources or who loose water due to evaporation.
Spend time in water or mud to cool down.
3
Q
A
4
Q
A
5
Q
A
6
Q
A
6
Q
A
7
Q
A
8
Q
A
9
Q
A
10
Q
A
11
Q
A
12
Q
A
13
Q
A
14
Q
A
