One similarity between cell receptors and antibodies is that both

they are specific in action

Explanation: The similarity between cell receptors and antibodies is that both are specific in action. They bind to their specific targets.

These targets can be determined by the shape of the receptor or the antibody. shape of a protein has a profound effect on its functions

primary succession begins with a bare rock and ends with a forest secondary succession begins after a natural disaster where there is a temporary setback after a forest fire or local destruction, but the surrounding area can fill in

the areas around the equator