[For Seniors] Trivia Quiz and Fun Facts About Turtles – Complete Collection

4m

Five to six million years ago, a gigantic turtle called Stupendemys lived on the South American continent, including what is now Brazil. Its estimated total length exceeded 4 meters, and it is thought to have been among the largest of all known turtles.

to flush out salt

Sea turtles expel the salt they take in from their food and seawater through an organ called the salt gland. That’s why they can appear to be crying.

seaweed

They mainly live on a diet of seaweed. The dietary fiber contained in seaweed promotes digestion in green sea turtles and helps maintain a healthy intestinal environment.

30 degrees

When eggs hatch at temperatures of 29–30°C, the ratio of males to females is nearly equal. This is called the “pivotal temperature.” Above this temperature, females are more likely to hatch, and below it, males are more likely to hatch.

June 16

Sea turtles have become an endangered species, and many of the causes—such as environmental pollution and overharvesting—are closely linked to human activity. World Sea Turtle Day is said to be a day to foster appreciation for sea turtles and call for their protection.

The hatchlings take about two months after hatching to crawl up through the sand. After they hatch, they move to a point about 10 centimeters below the surface and seem to wait until nightfall before emerging above ground.

pulmonary respiration

Because sea turtles breathe with lungs, they occasionally surface to breathe, sticking their heads out of the water to take a breath.