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Jurasic period
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Earn +20 ptsQ: The earliest record of mammals is found in rocks that date?
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Related questions
What is the earliest record of mammals in rocks?
The Jurassic Period.
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.
Why have paleontologist not found any rocks from the earliest years of Earth?
It was to hot for rocks to form
Why have paleontologists not found any rock of the earliest year of earth's existence?
It was to hot for rocks to form
Why have paleontologist not found any rock from the earliest years of earth existence?
It was to hot for rocks to form
What respire reptiles or rocks or plants or mammals?
All except rocks.
The most complete fossil record of past invertebrate life in NJ can be found in rocks of with era?
paleozoic
Why does the rock record go back only 3.8 billion years?
Rocks older than this have not been found
Why are rattlesnakes found under rocks and in caves?
Rattlesnakes may be found under rocks and in caves. This is because the caves are dark and moist. Underneath rocks is dark and damp, too. This is the type of "climate" that rattlesnakes prefer.
What are the rocks found in Hampi?
what rocks can be found in hampi
Where are extrusive rocks are found?
where are egneos rocks found
Where are rocks usually found?
rocks are usally found on the groung or in it
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