Cell theory has 3 basic parts: or
1. All
organisms are
composed of
cells.
2. The cell is the
unit
of structure and
for all
3.
cells are created by
the division of
cells.

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?