The functional unit of the kidney is the

a: nephron
b: ureter
c: urethra
d: bladder

The correct answer would be nephron.

Nephron makes the functional and structural unit of the kidney.

Each kidney comprised of millions of nephrons which help in the formation of urine.

Each nephron consists of two parts renal corpuscle and renal tubule. Renal corpuscle in turn consists of glomerulus and Bowman's capsule.

It produce urine by four main processes:

answer; the above statement is (true);

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation: