II. Direction: Write T if the statement is correct and F if not. 1. Organ system is a group of organs working together that perform major functions. 2. A group of similar cells that perform the same functions is called tissue. 3. DNA is the basic unit of structure and functions in living things. 4. A body structure composed of different kinds of tissues that work together is called organ. 5. The cell is the basic tissue of structure and function for living things. 6. The tissues are group of cells that work together to do a specific function. 7. The organs are group of different tissue working together to perform a certain task. 8. The organ systems are group of different organ working together. 9. The organism is made up of cells, tissues, organs and system. 10. Individuals of a species living in a specific area are collectively called a population.