We talk about merle a lot in this handout, so it seemed. like a good idea to explain what it is (and isnât). The. most important thing to remember is that merle is a. color pattern, not a color by itself. Merle dogs can. come in a variety of colors. The most.
Two years: Toddlers begin walking up and down stairs using a non-alternating stepping pattern with hand held or rail assistance. Three years: Children begin walking up the stairs using an alternating stepping pattern without the handrail and down stairs using a non-alternating stepping pattern. Four years: Children begin walk up and down the stairs using an alternating stepping pattern without support.
Many babies tend to follow a similar routine as they prepare to stand up on their two chubby legs, although the timing of this can vary greatly from bub-to-bub. While the average age to start walking is between 12 and 13 months, there is a very broad range of 'normal'. Some babies are up and running at nine months old, while others are still contentedly moving around on all fours or cruising the furniture at 18 months.