Which mollusk body part produces the hard shell of clams, snails and oysters? mantle
foot
tentacle
radula

Answer is in the file below

cutt.ly/nz6VGda

the endomembrane system is a series of compartments that work together to package, label, and ship proteins and molecules. in your cells, the endomembrane system is made up of both the endoplasmic reticulum and the golgi apparatus. these compartments are folds of membranes that form tubes and sacs in your cells.

answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;