the structure is a blastocyst Read the statements below and determine if they are Correct or Incorrect (1) This structure is a solid ball of cells called a morula (2) This structure is a single layered sphere of cells encircling a fluid filled cavity that can implant into the endometrium of the uterus. (3) The cluster of cells at the bottom is the inner cell mass and the cells around the outside are known as trophoblasts Question 60 options: a) Correct; Correct; Correct b) Incorrect; Incorrect; Incorrect c) Correct; Incorrect; Correct d) Incorrect; Correct; Correct e) Correct; Incorrect; Incorrect