If the field of view in this image is 220 um, the size of one of the cells is um.
(record your answer to 2 sig digs)

What does it mean for a cell membrane to be selectively permable

Now it's your turn to investigate human impact around the world. grab your virtual lab coat and put on your environmental science hat. you will be taking a trip around the globe to explore three locations. at each location, you will investigate the cause and effect relationships of deforestation, desertification, and urbanization. you will also gather evidence of how these factors have impacted the environment over time

Anton created a chart listing different types of materials. which best complete the chart?