Answer:
Many rare and/or endemic species exhibit one or more of the following attributes which make them especially prone to extinction: (1) narrow (and single) geographical range, (2) only one or a few populations, (3) small population size and little genetic variability, (4) over-exploitation by people
Answer:
pindle fibers form a protein structure that divides the genetic material in a cell. The spindle is necessary to equally divide the chromosomes in a parental cell into two daughter cells during both types of nuclear division: mitosis and meiosis. During mitosis, the spindle fibers are called the mitotic spindle.
Explanation:
As
we know our blood has four main components which are plasma, red
blood cells, white blood cells and platelets. That is why a
hemophiliac must receive regular injections of platelets to stay
alive. This is done by injecting into their bloodstream human plasma
which contains many proteins, glucose, clotting factors,
electrolytes, hormones, and carbon dioxide.
<span>I
hope it helps, Regards.</span>
