Both plant and animal cells have a cell membrane. Describe the structure and function of the cell membrane. Ambas células, animal y vegetal, tienen membrana celular. Describe la estructura y función de la membrana celular.

Explanation:

Similar to a guard at the outside of a club, deciding who should be allowed in and who to keep out, the cell membrane is semi-permeable, regulating the movement of substances in and out of the cell with the help of protein channels.

The cell membrane is a double layer of lipids (fats) and proteins that surround a cell and separates the cytoplasm/ organelles from its surrounding environment.

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

because they are eaten by the frog and the frog getseaten by the snake and the snake by the eagle