The iris in the human eye contracts and expands, controlling the amount of light that reaches the retina. what types of muscle control this?

Which of the following is an abiotic factor in an ecosystem? a. bacteriab. airc. niched. grass(abiotic=non-living) me !

Located at the epidermal-dermal junction of the skin. select all true statements about the transformation of melanocytes into abnormal cell

What process occurs during cellular development as the cell changes into a specific type of cell with specialized functions? a. binary fission b. fusion c. differentiation d. meiosis