What type of thing does it move things across the cell membrane?

Four types of motile cells in human body?

(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.

How do the sperm cells get from the stigma to the ovules?