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How sharks and trees age alike

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Yes, sharks and trees age alike. In fact, turtles age in a similar way, too.

Determining the age of a shark is not an easy process. The most accurate way to tell how old a shark is requires the shark to be dead because experts then remove the vertebrae from their spine, cut a cross section and then count the rings that grow each year. The images to the right are a cross-section of the cone-shaped vertebra.

The most accurate way to tell how old a shark is requires the shark to be dead because experts then remove the vertebrae from their spine, cut a cross section and then count the rings that grow each year. The images to the right are a cross-section of the cone-shaped vertebra.

The images to the right are a cross-section of the cone-shaped vertebra.

Turtles also age like trees. The age of a turtle can be determined by counting the number of rings on a scute on their carapace.

Learn more about Megalodon, dinosaurs, and sharks in the brand new book All About Sharks: A Guide to the World’s Most Misunderstood Predator by Blaise Jones:
All About Sharks: A Complete Guide to the World's Most Misunderstood Predator by Blaise Jones
All About Sharks: A Complete Guide to the World’s Most Misunderstood Predator by Blaise Jones

 

#sharks #education #sharkfinning #climatechange #marinebiology #fish #TSF

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