The development of a child under one year - twelve months

What can a child 12 months:

Self-worth;
Self-walks;
Rises from a sitting position on his haunches;
Knows how to use some items, such as a phone, a hammer;
Take the object in the mouth or armpit, to free up a hand and take something else;
Collects pyramid building blocks of figure 2-3;
Showing affection to their parents, to someone who cares about it, your favorite toys;
Starts to act up;
Sharply reacting to the caring parent may have one in particular;
May refuse a new food or to be fed;
Begins to show a sense of humor;
Bites, chew solid food;
Uses a spoon and a cup;
Understands almost all of what he said;
Says the 10-15 lightweight and mimic words;
Recognize animals in the pictures;
Is looking for a hidden object, even if he did not see him hiding;
Shows independence.