分析句子可知,此处为谓语动词,时间状语为over 100 years ago,句子用一般过去时,主语The oldest fossils of fish with jaws与find之间是被动关系,且主语为复数形式,故填were found。(3)in.考查介词。句意:最古老的有颚鱼化石是在100多年前发现的,但直到现在,它们从未被详细研究过。in detail表示"详细地"符合句...
When did humans become the dominant species?Human Dominance:Ecologists define a dominant species as the most plentiful by mass in a given region, but humans are often referred to as "the dominant species on earth" due to the fact that other lifeforms we know of cannot pose a threat to us...
When did Ardipithecus ramidus become extinct?Extinction:Extinction is a process in which an entire species dies out. This can be produced by numerous causes, and is considered a normal part of evolution. Many of the nearest relatives of humans have gone extinct....
Modern humans originated in Africawithin the past 200,000 yearsand evolved from their most likely recent common ancestor, Homo erectus, which means 'upright man' in Latin. Homo erectus is an extinct species of human that lived between 1.9 million and 135,000 years ago. What came before humans?
Where did human bipedalism first evolved? According to the Savanna-based theory, hominines came down from the tree's branches and adapted to life on the savanna by walking erect on two feet. The theory suggests that early hominids were forced to adapt to bipedal locomotion onthe open savanna...
about the louse and human speciation. “Our hypothesis is that one of these two louse clusters evolved in anatomically modern humans, and the other evolved in Neanderthals,” she says. Using a genome to date the clusters could shed light on whether they did evolve in different...
The present study aimed to replicate Kessler and McKenna’s (1978) ethnomethodological study that investigated how an individual attributes gender to
Eventually, something worked, though no one was really sure what it was that did the trick. Or even if the flare just subsided on its own. Leaving the hospital, I was instructed to slowly wean myself off of the steroids. I followed their directions, but each time I tried to taper off...
They did so while maintaining full access to compromised devices and limiting other actors from abusing the same Exchange vulnerabilities. This self-patching behavior is in keeping with the attackers’ general desire to remove competing malware and risks from the device. This al...
What work did you do with a friend today? What was the last work done with (biology)? Montessori: “Recognize the child as an individual, and the children as a group.” Make journaling a part of the community culture. Help each other who have difficulty with this responsibility. #2. So...