The bill of right if am wrong I am so so sorry.
<span>water is relatively resistant to an increase in temperature.</span>
The correct answer should be The ability to reproduce only within a species.
Answer:
Positive selection involves targeting the desired cell population with an antibody specific to a cell surface marker (CD4, CD8, etc.). ... Negative selection is when several cell types are removed, leaving the cell type of interest untouched.
