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Humans and chimpanzees diverged about 6 million years ago. If 12 nucleotide substitutions have occurred between human and chimpanzee lineages in a sequence of mitochondrial DNA, and 36 have occurred between humans and gibbons, humans and gibbons, according to the molecular clock, separated _______ million years ago.
Breastfeeding
The method of feeding a baby with milk directly from the mother's breast, providing nutrition and promoting bonding between mother and child.
Demand Feeding
A method of feeding infants where the caregiver feeds the baby whenever the baby shows signs of hunger, rather than adhering to a strict feeding schedule.
Neurological Development
The process by which the nervous system develops, including the brain, spinal cord, and peripheral nerves, from embryonic stages through adulthood.
Feeding Schedule
An organized plan for feeding an individual, such as a baby or pet, at specific times and quantities.
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