The data pattern shows variation in the spine number trait, which affects survival supports the claim that natural selection could occur for this spiny cactus population and is denoted as option A.
This involves the process in which organisms become more suited to their environment thereby leading to an increase in reproduction which reduces risk of extinction.
Organisms adapt to their environment by developing changes in their body parts which in this case is the variation of the spine number trait, thereby boosting survival.
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