Which is an example of passive transport across a cell membrane? a) osmosis b) exocytosis c) endocytosis d) sodium-potassium pump

A.) osmosis doesnt need energy to move molecules in and out cell

Hello there !
The correct answer is A. Osmosis
Hope this helps :)

If you remove all the lions from the savanna it will lead to a increase of gazelle and a increase of cheetahs becasue of no competition

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