Which characteristics are not necessarily true of all living things? movement heredity reproduction homeostasis sensitivity metabolism cells

condenser is used to focus in the light microscope.

the alkaline earth metals (beryllium (be), magnesium (mg), calcium (ca), strontium (sr), barium (ba), and radium (ra)) are a group of chemical elements in the s-block of the periodic table with very similar properties: shiny. silvery-white. hopefully this ? i didn't fully understand the question

answer; ///(a) ;