Which of the following organelles is not a part of the endosymbiotic theory?
1.chloroplast 2.mitochondrion 3.vacuole
which is it?

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

answer///multiple alleles;

the answer is z.

the human body has five levels of organization. level 1: cells. cells are the basic units of life and form the first level of organization. cells in the human body have specific functions. examples include nerve cells, blood cells, liver cells, and so on.

answer; benefit; harmed;