Question

Suggest any adaptive significance for left or right dominance in thumb or arm crossing?

Answer 1

Everybody has friends but only ten or eleven are best for you . My first best friend is my mother. She plays with me and I also play with her . My second best friend is my uncle .

Answer 2

THE THUMB

the thumb is part of the hands ,it is the thicker and shorte first finger ,in human beings ,apes and some organisms ,the thumb has a crusial function

The thumb helps in grasping hence it has to be adapted to its function

In human beings tbe thumb is known as apossable finger because it can move around to touch the other fingers

Having apposable thumb helps in grasping objects ,holding objects and eating with ease

It has a nail that helps one hold hot objects