Question

1. all living organisms are made up of ____.a) cellsb) bacteria c) organs d) tissue

Explanation:

The cell theory states that all living organisms are composed of cells. Cells are the basic unit of life. Bacteria are single - celled organisms, but the question is about the general composition of all living organisms. Tissues are made of cells, and organs are made of tissues. So, the fundamental unit that all living organisms are made of is cells.

Answer:

A. Cells