In one minute: your heart beats 60-100 times
In eight minutes: light from the sun reaches Earth
In one hour: a barn owl hunts its prey
In one night: the moon rises and falls
In one day: a dragonfly gets ready to fly
In twelve days: a blackbird incubates her eggs
In two weeks: a camel crosses the desert to drink
In one month: the moon completes a lunar cycle
Over many months: a honeypot ant stores food
In one winter: a grizzly bear waits for spring
In nine months: a baby is born
In one year: an apple tree grows fruit
In twenty-five years: a coral reef starts to form
In thirty years: a century plant blooms
In sixty years: an African savanna elephant grows old
In around eighty years: a human lives a lifetime
In over one hundred years: a Galápagos giant tortoise completes its life cycle.
