Some embryos do not survive through to the fetal stage, which begins about two months after fertilization. when this happens, the mother is said to have had a) endometriosis. b) a miscarriage. c) a toxic shock. d) an implantation.

{answer found. it's (3 ) }which statement describes the cell cycle? (1)the cell cycle is a process in which one cell divides into four genetically different cells. (2)the cell cycle is a process in which one cell divides into two genetically different cells. (3)the cell cycle is a process in which one cell divides into two genetically identical cells. (4)the cell cycle is a process in which one cell divides into four genetically identical cells.

The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind

Explain how light energy is turned into chemical energy? ! due tomorrow!