To be classified in the class Arachnida, an arthropod must have the following characteristics. Arachnid bodies are usually divided into two distinct regions, the cephalothorax (anterior) and the abdomen (posterior). Adult arachnids have four pairs of legs, which attach to the cephalothorax. In immature stages, the arachnid may not have four pairs of legs (such as in mites).
The ERA in the States. The Equal Rights Amendment was passed by Congress on March 22, 1972 and sent to the states for ratification by both houses of their state legislatures. A proposed amendment becomes part of the Constitution when approved by three-fourths (38) of the 50 states. During the next five years, 35 states approved the amendment.
On March 22, 1972, the Senate passed the Equal Rights Amendment to the United States Constitution, which proposed banning discrimination based on sex.The E.R.A. was sent to the states for ratification, but it would fall short of the three-fourths approval needed.arch 22, 1972 | Equal Rights Amendment for Women Passed by Congress. Warren K. Leffler/ Library of Congress U.S. News & World Report Collection Representative Martha Griffiths outside the U.S. Capitol in 1970 after the House passed the Equal Rights Amendment for the first time.