Herbivores that evolved on grassy plains are likely to naturally select four traits different than herbivores that evolved in rain forests. which trait is a plains herbivore most likely to develop over thousands of years?

Herbivores developed long legs for running, over thousands of years. This helped them to go to the new areas which had plenty of grass and other food for them. This also helped them from running and preventing themselves from the predator animals.

It is used to during sexual reproduction between humans