Toothed whales (Odontoceti) this group includes dolphins and orcas. These whales eat meat.   Baleen whales (Mysticeti) This group includes the Blue whale, Grey whale â¦ and Minke. They pull in a mouthful of seawater and feed on plankton.
Weight Gain Patterns. Between 1 to 4 months of age, an infant will generally gain 1 1/2 to 2 pounds per month, explains HealthyChildren.org, the website published by the American Academy of Pediatrics. From 4 to 7 months, his weight gain will slow to 1 to 1 1/2 pounds each month. A healthy baby boy will weigh between 14 1â2 and 17 1â2 pounds at 8 months; infant girls normally weigh about half a pound less than infant boys. By 12 months of age, a baby weighs about three times more than she did at birth.
Click here to calculate the ideal weight for an infant (0 to 2 years)Click here to calculate the ideal height for children above 5 years old. Today's parent has unlimited access to information on normal growth rates of their child. A full term infant must have an average weight at birth of 3.3 kg or 7 lb 4 oz. Boys and girls have separate growth charts. Boys on an average are slightly heavier and taller than girls, their growth patterns are also different. Boys are usually 0.3 kg heavier and girls 0.3 kg lighter than the ideal weight score.