1. Size and Surface Area Flashcards
1
Q
An organisms size and surface area is important, why?
A
It determines how efficiently/ quickly substances can be exchanged with environment
2
Q
What substances do we exchange with environment ?
A
Take in o2 for aerobic respiration and nutrients.
Excrete waste products like carbon dioxide and urea.
3
Q
Smaller organisms
A
Higher surface area : volume ratio compared to large organisms
