Module 8 Flashcards
Cell and Organism Size
Shape and form of a structure depends on
Size
Smallest living organisms
Bacteria, specifically the mycoplasma
Surface Area
Flat, 2d
Amount of area on the surface
Volume
Amount of space a thing occupies
Does surface area of volume increase faster?
Volume increases faster than surface area
Functions of the cell depend on what
surface area, volume, shape, size
A bigger or smaller cube has a larger SA/V ratio?
A small cube has a bigger ratio
What would happen if humans shrunk to the size on an ant
We would have to much surface area, and heat loss from the skin
What would happen if ants became human sized
Their legs wouldn’t be strong enough to hold their body weight/ volume
Isometry
Increase in size, but keep the same shape
Same measure
Allometry
Increases in size followed by change in shape
Different measure
What do larger mammals have in order ot support greater weight
Wider bones
What accompanies size differences
Shape change
What adaptation does the gut have to increase surface area
Vili and microvili
Vili
Folding of the stomach lining