Cell y has a surface area of
40
 
μ
m
2
40μm
2
40, mu, start text, m, end text, squared and a volume of
8
 
μ
m
3
8μm
3
8, mu, start text, m, end text, cubed. cell z has a surface area of
72
 
μ
m
2
72μm
2
72, mu, start text, m, end text, squared and a volume of
12
 
μ
m
3
12μm
3
12, mu, start text, m, end text, cubed.
using the information above, determine the surface-area-to-volume ratio of each cell. what is the sa: v ratio of the cell that will exchange materials with its environment at the fastest rate of diffusion?

The large ground finch obtains food by cracking seeds. what is its short, strong beak an example? a) tendency toward perfection b) adaptation of a species over time c) selective use and disuse of an organ over time d) scarcity of recourses

Which of the following statements are true chromosomes make up genes

Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.