the value of a transitional fossil is : A. Transitional forms show the evolutionary steps between species For example, take a look at human's transitional fossil. Through the fossil, we became aware about the evolution that happened within the human species and we can observe how we developed from a monkey-like organisms into a more superior organism as we are today
Most baby teeth, also known as milk teeth, emerge in a certain order. Here's what you're likely to see as your baby moves from gums to pearly whites. 2 / 12. Lower central incisors The bottom middle teeth typically emerge first, between five months and 10 months. Tooth development is hereditary, so if you got your teeth early, chances are your baby will too! 3 / 12. Upper central incisors The upper middle teeth come next, between six months and 12 months. Teeth usually emerge in pairs. 4 / 12. Upper lateral incisors Between nine months and 13 months, you'll see the upper teeth to the right and left of centre. This will give your baby a row of four teeth across the top.
Actually, amount of teeth in a child depends on their age. Baby teeth start to fall out at about age 6 and are gradually replaced by secondary teeth until nearly age 12. A new teeth also come in throughout this time. By puberty, almost all children have 28 teeth. In all, children have 20 baby teeth â 10 on the top and 10 on the bottom. These teeth function as placeholders for the adult teeth that grow in following the baby teeth fall out.