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What is an index fossil of the mesozoic era?
Ammonites are commonly used as index fossils for the Mesozoic era. These marine cephalopods had distinctive shell shapes and were widespread during the Mesozoic, making them useful for dating and correlating rock layers.
What is a perfect example of an index fossil?
Short spans of geologic time
Why Are Ammonites Classified As Index Fossils?
Ammonites are classified as index fossils because they were widespread, existed for relatively short geological periods, and exhibit rapid evolutionary changes. Their distinctive and varied shell shapes make them easily recognizable in the fossil record. This allows geologists to correlate the ages of rock layers across different geographic locations based on the presence of specific ammonite species, aiding in relative dating. Their use as index fossils is crucial for understanding the timing of geological events and the evolution of life on Earth.
What eon was ammonites introduced?
Ammonites first appeared during the Devonian Period within the Paleozoic Era.
Is Ammonites a trace fossil or a body fossil?
Ammonites are considered body fossils because they are the preserved remains of an organism that lived millions of years ago. Trace fossils, on the other hand, are evidence of the activities of ancient organisms, such as footprints or burrows.
What is an index fossil of the mesozoic era?
Ammonites are commonly used as index fossils for the Mesozoic era. These marine cephalopods had distinctive shell shapes and were widespread during the Mesozoic, making them useful for dating and correlating rock layers.
What is a perfect example of an index fossil?
Short spans of geologic time
Where fossels of dragons ever found?
yes
Where do you get fossels in Pokemon HeartGold?
in rocks you smash
Do ammonites live in today's seas?
ammonites are extinct
What continent have the oldest fossels been found on?
Africa
Where do you go to have fossels become Pokemon?
the lab in cinnabar
How often do you get fossels in Pokemon platinum?
like twice
Why Are Ammonites Classified As Index Fossils?
Ammonites are classified as index fossils because they were widespread, existed for relatively short geological periods, and exhibit rapid evolutionary changes. Their distinctive and varied shell shapes make them easily recognizable in the fossil record. This allows geologists to correlate the ages of rock layers across different geographic locations based on the presence of specific ammonite species, aiding in relative dating. Their use as index fossils is crucial for understanding the timing of geological events and the evolution of life on Earth.
What are ammonites named for?
Ammonites are named for the Egyptian god Ammon, who had a ram's head. The shells of ammonites are spirals like the horns of a ram.
What were predators of ammonites?
Various aquatic reptiles were predators of ammonites. Fossils of damaged ammonites have been found with teeth marks from Plesiosaurs.
What is evidence that a great variety of species existed in the past?
fossels.
