Size and surface area Flashcards
1
Q
What has a bigger surface area to volume ratio a mouse or a hippo?
A
a mouse
2
Q
What does large animals having a low surface area to volume ratio mean?
A
its difficult to exchange enough substances to supply a large volume of animal through a relatively small outer layer
3
Q
Why do small animals need a
higher metobolic rate?
A
the organism has a large surface area but a smalle volume then it loses heat faster, meaning they need a high metabolic rate to generate enough heat to stay warm
