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According to data from the World Health Organization, cancer is the second leading cause of death in the world, affecting millions of people of all ages around the world. Many people have questions: While the human world is engaged in a life-and-death struggle with cancer, will cancer exist i
There are more than 9,000 known species of birds in the world, from the largest ostrich to the smallest hummingbird. Except for a few land birds, most of them fly in the air, which makes them extremely fast. , so how fast can the fastest bird fly? 12. Australian spotted d
Aging is a natural process, but for our animal friends, aging is not only a natural process, but also means the onset of nightmares. After all, it is easier for predators to hunt slow-moving old and weak prey. Pets and zoo animals that live in good conditions are more likely to live longer th
According to the German "Bild" report, a 60-year-old male turtle in Germany has regarded a slipper as a companion and has been in love with him for 30 years. It was only recently that I met a true same-kind sexual partner, an 80-year-old female turtle. This male turtle na
Our current human beings are members of the genus Homo. They evolved from Homo habilis through Homo erectus and early Homo sapiens. Why did only early members of the genus Homo develop into modern humans while the various Australopithecus species living at that time failed to continue develop
Walrus, as the name suggests, is an elephant in the sea. It has a huge body, thick and wrinkled skin, sparse hard body hair, small eyes, and poor vision. It is 3 to 4 meters long, weighs about 1,300 kilograms, and has two A long tooth. Unlike elephants on land, which have fat heads, big ears,
The Antarctic continent has few living things. However, the ocean surrounding the Antarctic continent, the Southern Ocean, is a world full of vitality. Especially the waters near the Antarctic Convergence Zone are denser with life. The Southern Ocean used to be called the
The life span of fish varies greatly, ranging from one year old to more than a hundred years. There are mostly legends about long-lived fish, but there is no real evidence. For example, European natural history has recorded a 150-year-old carp and a 267-year-old pike. However, many scientists
Lampreys are similar in appearance to snakes and eels. Each side of the head has a row of seven separate gill openings behind the eyes. The gill openings are aligned with the eyes, so they are commonly known as lampreys. There is a funnel-shaped suction cup on the front and ventral surface of
The original species of koi is red carp. It was introduced to Japan from China in the early days. After artificial improvement, it became scarlet carp, also known as colored carp and flower carp. After World War II, it was renamed koi carp. The classification of koi varie
Anchovy is a group of small fish. The largest individual does not exceed 200 mm, and most species are only 50-70 mm. The body is extremely flat and tall on both sides, and the body color is bright. Especially during the reproductive season, the bright body color of the male fish is paired wit
Acipenser schrenckii (Acipenser schrenckii) belongs to the order Acipenser, family Acipenseridae, and genus Acipenser. Commonly known as: Seven Floats. English name: Amur sturgeon. Endangerment level: Vulnerable. IUCN (1996) EN CITES (1997) Appendix I
The Japanese lamprey (Lampetra japonica) belongs to the family Cirostomata, order Lamprey, family Lampeidae, and genus Lamprey. Commonly known as: lamprey, seven-star fish. English name: Arctic lamprey. Endangerment level: Vulnerable. The body is cyli
Pike (Esox reicherti) belongs to the order Salmoniformes, family Pike, and genus Pike. It is commonly known as: duck fish, black-spotted pike. Pike grows fast and has a long lifespan. Some people have found individuals weighing 30-35 kilograms and being 70 years old. It is said that the longe
Another manifestation of the phenomenon of ecological adaptation of an organism is that it imitates another organism in terms of shape, behavior and other characteristics to obtain benefits. The body color patterns of many fish are closely related to their adaptation to the environment. Fish,
In our country, the star beetle is the most common. Star beetles are also known as citrus star beetles and silver star beetles. The domestic distribution starts from Jilin and Liaoning in the north, to Gansu, Shaanxi, Sichuan, and Yunnan in the west, to Guangdong in the south, and to the coastal pro
Longhorn beetles are a well-known type of insect. Many people have caught or observed beetles when they were children and became interested in them. The interesting thing is that when you grab it, it will make a "crunching" sound in an attempt to break free and escape. If you tie a thin st
The specific habits of the blue-breasted Hummingbird (Latin: Polyerata amabilis, English: Blue-chested Hummingbird) are unknown. The recorded lifespan of blue-breasted hummingbirds in the wild is only 7-8 years.Protect wild animals and eliminate wild meat.Maintaining ecological balance is everyone&#