The organism that cerebral ganglia in its head connected to ladder-like arrangements of nerve fibers is
A. flatworms
A flatworm is an invertebrate whose central nervous system or the cerebral ganglia is connected to its body by means of ladder-like nerve cords.
<span>The first stage of HIV infection is known as the acute stage. The body responds by producing HIV antibodies and killer T- cells which are special lymphocytes that seek out and destroy invading pathogens such as viruses and bacteria. Two to four weeks after infection, the immune system launches an attack against HIV using these antibodies and killer T-cells, significantly reducing HIV level on blood. A percentage of the viruses however escapes this onslaught by hiding in other cells and continue to multiply.</span>
50% is the percent of left-handed kids
Answer:
The size and shapes of their beaks.
Explanation:
They have different food sources, so different shaped beaks are necessary, as well as size.