Crossword Puzzle The biological levelsOnline version Living things have levels of organization that go from the cell to the entire organism. by MARIA BELEN BAYAS GUTIERRES 1 It is the first and smallest level of biological organization 2 It is the second level of biological organization. 3 The third level of biological organization. 4 The fourth level of biological organization. 5 They are all part of the fifth and final level. 6 Organisms consist of just one cell and never grow more than that. 7 Have millions of cells that unite and organize to form tissues, organs and systems. 8 This organ is used to see. 9 This organ help me to breathe. 10 This animal make a sound like miau. 8 9 2 5 3 1 10