Answer: cell tissue organ and organ system.
Explanation:
Answer and Explanation:
A null hypothesisstates that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.
In order to reject or retain a null hypothesis, compare the P-value to the alpha . If the P-value is less than (or equal to) ,the null hypothesis is rejected in favor of the alternative hypothesis. If the P-value is greater than , the null hypothesis is not rejected.
D.They are learned
Because I just took the test