Why Do Polar Animals Grow So Slowly?

What Crafty Clover says in this video

Intro

Hi there, curious minds! I'm Crafty Clover! Let's discover something amazing. Why do polar animals grow so slowly?

The Big Idea

Polar animals grow slowly because cold slows down the chemistry in their bodies! Many take years to mature and live for decades. Slow growth uses less energy. Let's find out why!

Cold Slows Chemistry

Step one: cold slows things down. Cold slows down the chemical reactions in an animal's body. That means growing takes longer, just like a slow-motion movie.

Years to Grow Up

Step two: slow and steady. Many polar animals grow slowly and take years to mature, instead of growing up fast. Many live for decades, and some live much longer.

No Rush

Step three: no hurry. Food is only plentiful for a short time of year, so there is no need to hurry. So slow growth uses less energy, and it may help animals live longer.

A Closer Look

Let's take a closer look! The water is very cold. Body chemistry runs slowly in the cold. So growing up takes many, many years. And many polar animals live a very long time.

Quick Facts

Quick facts! Some Antarctic sea stars and sponges grow only a tiny bit each year. Some Antarctic sponges may be hundreds of years old. Slow growth means careful protection matters, since it takes so long to recover. Be kind to nature, and take only photos, never souvenirs.

Think Like a Scientist

Now, think like a scientist! With a grown-up, put one plant seed in a warm spot and another in a cool spot. Which sprouts faster? Check each day. Warmth speeds up growth, and cold slows it down! Share what you discover with a grown-up.

Outro

In the cold, polar animals take their time. Science is amazing! Crafty Clover can be found on Amazon Books, Google Bookstore, and Apple Books. Available for purchase or download! Bye for now!