1.which two structures are not found in animal cells?
a) vacuoles and ribosomes
b) chloroplasts and ribosomes
c) cell walls and chloroplasts
d) endoplasmic reticulum and cell walls

2.even though each part of the digestive system is different, each part is also alike. what is one thing that each part shares with the others?
a) each part contains organs.
b) each part of the system is made of cells.
c) each part breaks down food into smaller pieces.
d) each part of the digestive system is made of exactly the same cells.
eliminate
3.how would you describe the cells that make up the parts of your eye?
a) each part of the eye is made up of identical cells.
b) the parts of the eye are made of the same cells that make up our skin.
c) each part of the eye is made of special cells that with a certain job.
d) the eye is not made up of cells. instead it is made of tissues and each tissue has a special job.