Research one of the Periods in the Mesozoic and research one of the Periods in the Palaeozoic. Discuss when and why it occurred and describe three unique events that happened during that time.© BrainMass Inc. brainmass.com October 17, 2018, 12:15 pm ad1c9bdddf
What is Geologic time? According to Geology.com (2013) it is the way that, "Geologists have divided Earth's history into a series of time intervals. These time intervals are not equal in length like the hours in a day. Instead the time intervals are variable in length. This is because geologic time is divided using significant events in the history of the Earth." It encompasses thus currently known history and events that have have shaped the planet so far as science and man has progressed into the study of the subject. The largest division are known as eons (i.e. Phanerozoic) which are divided into eras (i.e. Mesozoic), then periods (i.e. Cambrian) which are then divided into epoch (i.e. Pleistocene). For a full Geologic Time Scale, you can visit this link - ...
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Phyletic Gradualism and Punctuated Equilibrium
I need about 3 pages to:
Explain the concepts of phyletic gradualism and punctuated equilibrium.
What are some presumptions about fossil records related to PE?
What are some events that facilitate rapid evolution?
Evidence that supports the long history of life on this planet.
What evidence do we have today that supports evolution by gradual change?
What evidence do we have today that supports punctuated equilibrium?