What does the smooth endoplasmic reticulum do? detoxifies the cell and produces lipids
cleans the cell
takes care of shipping and packaging
directs the cell

Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?

Some substances but not other can cross the (blank) membrane of a cell

What process decreases the salinity of ocean water? decreased precipitationdecreased melting of glaciersincreased evaporationincreased runoff from rivers