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In general the first mammals of any group to appear in the fossil record?
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When did the Equus first appear in the fossil record?
when did the equus frist appear in the fossil record
Did mammals appear in the fossil record after dinosaurs became extinct?
No, mammals lived alongside dinosaurs and their earliest known fossils of about 200 million years old are almost contemporary with the early dinosaur fossils.
When did mammals first appear on earth by paleontologists?
Mammals first appear in the fossil record of the Mesozoic Era.
What is true of the fossil record of mammalian origins?
The fossil record shows that mammals and the great dinosaurs shared the same times. It also shows that mammals made a major surge in population when the dinosaurs died out.
What did the first mammals in the fossil record look like?
Tiny, shrew or mouse-like creatures.
When did abundant fossil evidence appear in the geologic record?
540 Million years ago
What was the first key hominid trait to appear in the fossil record?
The first key hominid trait to appear in the fossil record is bipedalism, which refers to the ability to walk upright on two feet. This adaptation is characteristic of early hominids and distinguishes them from their primate ancestors.
Which organisms have produced the oldest fossil evidence?
Cyanobacteria are the first to appear in the fossil record.
The earliest record of mammals comes from which of what rock layers?
The earliest record of mammals comes from sedimentary rock. Sedimentary rocks are deposited in layers. They are an important source of natural resources, such as coal, fossil fuel, and ore.
What modern form of Homo sapiens first existed about what years ago?
Anatomically modern humans first appear in the fossil record in Africa about 195,000 years ago.
Are fossils records complete or incomplete?
Fossil records are not complete. By some estimates, less than 1% of organisms that have lived appear in the fossil record.
According to the fossil record when did the first prokaryotic cells appear on your planet?
2.5 billion years ago
