Which statement BEST explains why the pattern of data in the graph supports the claim that natural selection could occur for this spiny cactus population? A
The data pattern shows variation in the spine number trait, which affects survival.

B
The data pattern shows variation in the spine number trait, which does not affect survival.

C
The data pattern shows that most spiny cacti have a large number of spines, which does not affect survival.

D
The data pattern shows that most spiny cacti have a small number of spines, which affects survival.