利用者:DurrettSearle736
出典: くみこみックス
A long Life time of Animals - Sea Turtles
Sea turtles appeared on the planet a lot more than 200 million years ago, it's the famous "living fossil." According to the record of "Guinness Book of World Records", it's the longest lifespan of up to 152 years. It is worthy of the old god of longevity in animals. As sea turtles possess the longest life span, so coastal people regard them like a long-lived mascot, much like mainland people regard Songhe denoting longevity, coastal people also regard sea turtle denoting longevity. You will find eight kinds of sea turtles in the sea, among which four manufactured in China, mainly in Shangdong, Fujian, Taiwan, Hainan, Zhejiang and Guangdong province in China. The largest quantity of turtles in China is green sea turtles.
Sea turtles often have activities in the 2nd floor of their regular migratory routes across the coastal waters. They become mature at 20-30 years old. When the breeding season comes, they return to their "homeland". No matter how remote it is, they can also find their very own birthplace, and lay eggs there. Chances are that they'll not breed lifelong if their birthplace is damaged.
The biggest quantity of nesting is up to 200 or so, the minimum is also more than 90. The amount of eggs is much more, however the incubation survival minute rates are very low. When the small turtles hatched, to begin with, they have to climbed from the sand themselves, after which hurriedly toward the ocean. It is full with danger when the small turtles move from the sand towards the beach, some natural enemies regard these young lives as a delicacy. To ensure that you get to the sea is only area of the young turtles, these survivors will grow and development in the ocean, passing a brand new cycle of reproduction.
It is a quite interesting question, "how do the sea turtles maintain the gender balance." Sea turtles mainly reside in the ocean, they are unable to only breath with lungs, but additionally can take full benefits of some of the special organs to obtain oxygen directly from seawater. They're fully adapted to the marine environment. Sea turtles are large, and have large volume of activities, their appetite is a lot greater than the tortoise. They consume a lot of fish, fish eggs, shrimp, crustaceans and mollusks and algae every day.
Their teeth are difficult and strong, they can easily bit the shell of mollusk. From the habits from the turtles, the secret of the longevity is certainly not more than a big appetite, slow activity and a hard covering to safeguard. Sea turtles really are a treasure, the delicious meat and rich nutrient cannot only make our own have the ability to longevity, but also a really high nutritional value of supplement, individuals who eat can make them live longer. Just like these, increasingly more turtles are killed by people.
