How are all of the organisms observed in this activity similar

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous