Meiosis is the correct answer
Explanation:
a
they form in the bone marrow
a red blood cell lives for approximately 120 days.
True ..In animals, the female mitotic sequence produces only one ovum; the other three haploid cells become "polar bodies".
Certain bacteria living in the roots of plants convert nitrogen to a form plants can use and animals obtain their nitrogen by eating those plants. The correct option among all the options that are given in the question is the second option. Nitrogen fixing bacteria helps the plants to absorb nitrogen from the atmosphere.