What is the job of the endoplasmic reticulm

On a floor there are several 1-4 mm elongated drops leading away from a body lying in a pool of blood. the the forward wall there is a sigzag pattern and on the walls to the right side there is a linear patter

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?