Cladograms sometimes indicate , or shared characteristics. All species have that characteristic from the indicated point forward.

answer; polycythemia is the correct answer;

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called