NAME: Dates 1. The can be thought of as a screen that allows certain substances to pass through into the cell while others cannot. a. Plasma membrane
b. Nucleolus
C. Endoplasmic reticulum I
d. Osmotic calibrator

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants.d- food molecules are broken down in the cells if living things.

Examine the air pressure map. which type of line is shown on the map?