life cycles

Butterfly Life Cycle

Human Life Cycle

Humans go through the following stages…

Stage 1: Infancy (Birth-1st Year)o The most rapid and dramatic growth of the

human occurs during the 1st year.o The infant grows about an inch per month

during the 1st six months.o Body weight typically doubles at five

months.o By age one, most infants achieve walking,

talking, and eating solid foods.o The infant is completely dependent upon

its parents or caretakers for survival.

Stage 2: Early Childhood

• Toddler (1st two years of childhood)• Slower rate of growth

• Developmental tasks increase (i.e. running)

Stage 3: Preschool

• Muscle coordination continues to improve

Stage 4: Elementary

• Physical growth and muscle growth improves

Stage 5: Adolescence

• Puberty occurs: a period of rapid physical growth

• 12-18 years old• Begin to separate from parents and

become more independent

Stage 6: Adulthood

• Adults cease to grow physically after puberty

• Humans age in appearance• 18-old age

Life Cycle of a Frog

Life Cycle of an Oak Tree