The six stages of lifespan development are: infancy, childhood, adolescence, early adulthood, middle age and older age. These reflect the biological, cognitive and psychosocial changes that occur during a person's lifeti... More »

There are many different versions of the human stages of life, but most explanations include baby or infant, toddler, child, adolescent, adult, and mature adult. Each stage encompasses an age range. Some resources, such ... More » Science Biology

There are six main stages of the human life cycle, during which a human is a fetus, baby, child, adolescent, adult and elderly person. The exact age for entering each stage varies, but all healthy humans follow the same ... More »

The different stages of human life are fetus, infancy, childhood, adolescence, adulthood and old age. The human life cycle starts at fertilization, goes through the embryonic stage and the fetal stage. After fetal growth... More »

The standard age at which an adult's feet stop growing is a few years after adolescence, or around 21, according to the Maine Senior Guide. However, a few factors may necessitate that an adult wear a larger shoe size lat... More » Science Biology

Multicellular organisms may evolve into large and complex beings, but they all begin as a single cell and pass through several defined stages of development. All beings, from small plants and insects to large elephants, ... More »

Developmental norms refer to milestones and stages of physical, cognitive or emotional development expected at any given age. Physical developments refer to changes in the body and the ability to control it. Cognitive de... More »