9. The ability of cells to pass on their characteristics to new cells is most directly related to the ability of
A) cytoplasm to excrete wastes
B) effectors to respond to environmental changes
C) ribosomes to use energy
D) chromosomes to replicate

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere