The endosymbiotic theory states that some of the organelles in eukaryotic cells were once prokaryotic microbes. Mitochondria and chloroplasts are the same size as prokaryotic cells and divide by binary fission. Mitochondria and chloroplasts have their own DNA which is circular, not linear.
Blue Carb which scientifically is known as “<span>Callinectes sapidus” is a type of vertebrates. </span>A possible reason for the fluctuation in their population can
be the eutrophic dead zones in the Chesapeake Bay which naturally cases low
levels of oxygen dissolving into the Bay leading to fluctuation of Blue crab
<span>Another reason also can be the shorter
life span of blue crab, its average life span recorded is one to three years
which is very short in comparison to striped bass, although some blue crabs are
caught after being tagged at the age of 6 to 8 years as well.</span>
Los principales niveles de organización del cuerpo, desde los más simples hasta los más complejos, son: átomos, moléculas, orgánulos, células, tejidos, órganos, sistemas de órganos y el organismo humano.