Answer:
Null hypothesis may be defined as the any type of assumption in which the observed difference between two sample in the statistical population is accidental. Null hypothesis is used in the field of genetics as well.
If one accepts the null hypothesis this means that there is no significant differences between the observed values and the expected values of the experiment. The rejection of null hypothesis explains that there may be significant difference between the expected value and observed value.
Cell membrane
the cell membrane is found in all cells and separates the interior of the cell from the outside environment
Answer:
C
Explanation:
The same species would communicate with each other and work to secure prey for themselves—ensuring they can eat.