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.
Humans are the odd case. We are secondarily altricial. Our reproductive strategy looks like that of a precocial species â one progeny at a time and a substantial resource investment in each â but our infants resemble altricial infants much more than precocial ones.