<span>The correct answer is B.
Meiosis is the process which accounts for species diversity. Meiosis is termed as a specialized cell division which reduces chromosomes number by half and then creates for haploid cells.
The process of meiosis occurs in multicellular eukaryotes and in sexually reproducing single-celled. For example plants, fungi, and animals. The two meiotic divisions are called meiosis11 and meiosis 1.
Now that chromosomes are halved during meiosis gametes can fertilize to form a diploid zygote and contains two copies of chromosome one from each other.</span>
The nitrogen compounds through which excess nitrogenis eliminated from organisms are called nitrogenous wastes or nitrogen wastes. They are ammonia, urea, uric acid, and creatinine. All of these substances are produced from protein metabolism.
The answer is d. Source water are River, streams, lake etc that provide drinking water
