New immunization requirements for schools in Ohio will start with the 2016/2017 school year. acellular pertussis) vaccine. Students entering 12th grade will need to have a second dose of meningococcal vaccine. dose must be administered on or after the 16th birthday.
Altricial, meaning requiring nourishment, refers to a pattern of growth and development in organisms which are incapable of moving around on their own soon after hatching or being born.
Birds that are altricial -- meaning that when they hatch their eyes are usually not open, they have no down feathers, are relatively immobile, and are completely dependent on their parents -- will stay in the nest for as long as 270 days.