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The ancient Egyptians left paintings and carvings (which can still be seen today!) of large animals like elephants, hippos, leopards and cheetahs. These animals were once common in Egypt, but they are now rare or extinct because of hunting and habitat loss. The history of Egypt The first ...
They also raised animals, such as turkeys, for food and other products. To create these agricultural wonders, large areas were staked out in the lake to mark the desired garden's perimeter. Between these stakes, a mat of intertwined reeds, twigs and branches was woven, creating a ...
Slime molds, which live in soil, are truly ancient animals. They arrived on land close to a billion years ago and may well have colonized continents that were then home only to films of bacteria. Slime molds, or Physarum polycephalum, may spend much of their lives as...
That was the time apes,the group of animals which humans are part of,separated from monkeys. During that separation,we lost the tail. Now, scientists have found at least one of the genetic(基因的) differences that led to this change.The researchers compared the genes of six kinds of apes...
These cats likely bred(繁殖) with other cats to form many kinds of house cats wehave today.Cats are relatively recent house animals. House cats still have a lot in common with their wild relatives. Catssleep a lot to save energy just like wild cats. They will often get food at night ...
But they seemed able to tolerate the ice age conditions while other animals withdrew to refugia. Perhaps most important of all is that among the species that seem to conform to this pattern, where little or no geographical contraction in population took place at the height of ...
ANCIENT BACTERIA STILL BUSY IN THE DEEPThe article focuses on a study by researcher Fumio Inagaki, which reveals microbial population in the seafloor is producing methane using coal as a carbon and energy source.Chemical and engineering news: "news edition" of the American Chemical Society...
The most exciting insights biologists have gained into the lives of leatherbacks have come from data-gathering devices that unsuspecting females have carried with them into the deep sea. “We’ve always been accused of studying animals in a maternity ward,” laughs Eckert, referring to working wi...
These cats likely bred(繁殖) with other cats to form the many kinds of house cats we have today. Cats are relatively recent house animals. House cats still have a lot in common with their wild relatives. Cats sleep a lot to save energy just like wild cats. They will often get food ...