StoryWeaver Grades 3 and 4🐾 Animals🔬 Science

The Lifelong Question

Old lady looking at the nest
Old lady in the garden

How long do human beings live? Around 72 years. Does that sound like a long time? Humans share this planet with many amazing creatures that live much longer and shorter lives than we do — from hundreds of years to a few hours.

Sea otter with red sea urchin

In the coastal waters of the Pacific Ocean, Sea Otters live for about 20 years, while Red Sea Urchins can live for 200 years.

Greenland Sharks and Lion's Mane Jellyfish

In the icy Arctic waters, Greenland Sharks can live for 400 years, while the Lion’s Mane Jellyfish lives only for one.

Asiatic elephant and elephant grass

Found in the floodplains of South East Asia, Asiatic Elephants can live for 70 years, while Elephant Grass lives for up to 15 years.

Clarks's Nutcracker and bristle cone pine tree

In the forests of California, Bristlecone Pine trees can live for 5000 years, while Clark’s Nutcrackers live for 15 years.

Crested Serpent Eagle and Rat Snake

In Indian jungles, Crested Serpent Eagles can live for 40 years, while Rat Snakes live for 10 years.

Honey Buzzards and Deaths head hawk

Found in South East Asian countries, Oriental Honey Buzzards live for around 20 years, while Death’s Head Hawk Moths live for about three months.

Pipistrelle bats and mosquitoes

Found in many parts of South Asia, Indian Pipestrelle Bats can live for over 25 years while Mosquitoes live about one month.

House sparrows and house flies

Found on every continent except Antarctica, House Sparrows live for about 5 years, while House Flies live for about one month.

Old lady in her garden with butterflies

How different life spans can be! A pine tree can live for thousands of years, while a moth has only a few days under the sun. No matter how much time we share on planet Earth, we all play a role in keeping it healthy and balanced.

A Lifelong question endpaper