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.
This may be at least in part because children are relatively active (girls take an average of 10,000 to 13,000 steps, and boys take 12,000 to 16,000 steps each day). 4 In addition to walking or running, children may stomp, jump, skid, twist, scuff, kick, etc.