Business Insider4 年
What's inside everything from a kangaroo's pouch to a turtle shell
An adult male red kangaroo can stand over 1 1/2 meters tall ... It's lined with powerful, but flexible, muscles and ligaments. To keep the joey safe, mom can tighten those muscles to shut the ...
Business Insider3 年
A kangaroo pouch is more than a pocket. It's a complex joey nursery.
An adult male red kangaroo can stand over 1 1/2 meters tall ... It's lined with powerful, but flexible, muscles and ligaments. To keep the joey safe, mom can tighten those muscles to shut the ...