PLEASE HELP!! 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?
А
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.
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.

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explanation:

the answer is z.

the human body has five levels of organization. level 1: cells. cells are the basic units of life and form the first level of organization. cells in the human body have specific functions. examples include nerve cells, blood cells, liver cells, and so on.

bal is blood alcohol level. bac will normally be higher in a person with more body fat. so the answer to your question would be, as body fat decreases, the increasing rate of bal decreases.  

anthropod traits:

a well-developed collarbone

rotating shoulder joints

partially rotating elbow joints

opposable thumb

similar dental formula