Which of the following is NOT part of the cell theory? a. The cell is the basic unit of life performing all necessary life funct
ions b. There are many different types of cells with many different shapes and functions c. All living things are made of cells d. All cells come from pre-existing cells
It all depends on the species, some lose all of their leaves for part of the year while others lose their leaves before the next growing season, retaining some during winter or dry periods.