Benchmark 6B
The Human Organism: Human Development
Grades 3-5, page 132

There is a usual sequence of physical and mental development among human beings, although individuals differ in exactly when they learn things.

NSES Content Standard C
Life Science: Life cycles of organisms
Grades K-4, page 129
Plants and animals have life cycles that include being born, developing into adults, reproducing, and eventually dying. The details of this life cycle are different for different organisms.