All of the following are factors that affect a population’s size EXCEPT
A Availability of resources.
B Changes in the environment.
C Reproductive success.
D No exceptions - all statements are true.

Twin boys have girlfriends one of the couples have a baby would the dna of the lil baby be the same as the couples dna bc the boys are identical twins

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?

About __ of the mass of the cell is water