1.) how and when is color added to a bird egg?

2.) are all bird eggs the same
shape? why or why not?

3.) what is a brood patch? why is it needed?

1. the egg color is added when the egg is formig in the mothers womb and when the air climate starts to change around the enviroment

1. the egg color is added when the egg is formig in the mothers womb and when the air climate starts to change around the enviroment

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation: