Biodiversity refers to the variety of plants, animals, insects, birds, living in a particular place or habitat.
Answer:
A
A because it is talking specifically about two different pieces within the human body which have two different functions
Hydrogen,oxygen,nitrogen and carbon. Some might also contain a fifth element, sulfur. (Hope this helped!)
In this image we can see that A is identical to B, and C is identical to D.
Chromatid (Cht) is a
DNA molecule (the nucleofilament) associated with
histone proteins (PH) and
non-histone proteins (PNH)
<span>Each chromosome of a cell may consist of one or two chromatids depending on its state: just after a mitosis, or after the second meiotic division, each chromosome consists of only one chromatid, the rest of the time,
after DNA replication, each chromosome consists of two completely identical chromatids, connected by the centromere, thus giving the two rods the shape of an X.</span>