12. smoking causes diseases in the respiratory system. The organs and tissues are damaged by this activity.what is the effect of diseases cells on the higher levels of organization in an organism ?
a.smoking affects only certain kinds of organs and does not affect any other kinds of organ in the human body
B. deseases cells damaged the higher levels of organization they make up tissues, organs organ systems and eventually the whole organism
C. smoking affects only the next higher levels on organization that they make up the tissues
D. disease cells do not affects the other parts of an organism

14.) if the chloroplasts of a plant cell are damaged , which will it be unable to do?
a. protect the cell
b.make food for the cells
c.excrete waste materials
d.give instructions for cell to reproduce

15.) you are asked to identify an unknown slide.which could help you identify it to be an animal cell?
l absence
ll irregular/circular shape
lll presence of cell wall
lV rectangular and rigid shape
V absence of chloroplast
a.l and lll
b.ll and lV
c.l and lV
d.ll and V

19.) which of the following statements about living cells is FALSE?
A. most are microscopic
B.they are found in all animals but not in all plants
C. they are the smallest basic units of life
D.all cells arise only from pre-existing cells​