[DOC] [TLE] Geological time scale - HyperPhysics [PAR] The vast expanse of geological time has been separated into eras, periods, .... It 
is sometimes referred to as the "age of mammals". ... of the Tertiary Period) 
represents the time period after the major extinction that ... One suggestion is that 
having just one vast continent may have made seasons much more severe than 
today. [DOC] [TLE] Geologic Time - Flushing Community Schools [PAR] each era of geologic time. ... grass, the yarn pieces represent insects, ... find in 
Paleozoic rocks than in Precambrian rocks. ... 1. The fossil record shows that 
species have changed over geologic time. 2 .... organisms that are not adapted to 
changes are less likely to sur- ...... then the percentage of mammals that survived. [DOC] [TLE] ch_8 practice test [PAR] 1. An unconformity is a buried ______. a. fault or fracture with older rocks ... The 
subdivision of the geologic time scale that represents the longest time span is ... a
. less than l ... of conformable sedimentary strata, each higher bed is younger 
than the bed below it? ... The era known as the "age of mammals" is the ______. 
a. [DOC] [TLE] The Cenozoic Era - University of California Museum of Paleontology [PAR] The Cenozoic is sometimes called the Age of Mammals, because the largest land 
animals ... Second, the diversity of life during the Cenozoic is far wider than 
mammals. ... But later, geologists used the fossils found in the Tertiary rocks there 
to ... were rocks that seemed to be from time periods that were not represented in
... [DOC] [TLE] The Geologic Time Scale - Ridley School District [PAR] @The Geologic Time Scale. This Is Vovr lifel. 1. Make a list of about 1 0 to I 5 ... 
humans don't appear until less than a second before midnieht! ... helped 
determine the absolute age of the divisions in ... represent? ... ple, mammals 
began to evolve during ... that formed during that period . carboniferorr^uir"
carbon bear- ing. [DOC] [TLE] The Geologic Time Scale [PAR] Page 1 ... determine the absolute age of the divisions in the geologic time scale. 
As geologists ... Time. This span, which covers about 87 percent of Earth's history
, ended ... The Paleozoic Era began about 570 million years ago and lasted for ... 
periods range in length from tens of millions of years to less than two million. [DOC] [TLE] Geologic time scale - Wikipedia [PAR] The geological time scale (GTS) is a system of chronological dating that relates 
geological .... Avicenna also first proposed one of the principles underlying 
geologic time ... to cover a larger period than it had in previous usage, and 
Mesozoic ("middle life") .... Modern plants appear; Mammals diversify into a 
number of primitive... [DOC] [TLE] Mesozoic - Wikipedia [PAR] The Mesozoic Era is an interval of geological time from about 252 to 66 million 
years ago. It is also called the Age of Reptiles, a phrase introduced by the 19th 
century ... It is one of three geologic eras of the Phanerozoic Eon, preceded by 
the ... appeared during the Mesozoic, but would remain smallless than 15 kg (
33... [DOC] [TLE] Geology 104 Geologic Time - Classes:geology uiuc [PAR] Geologic Time Key ... 1. Watch the movements of North America through time. For 
each of the times listed ... Then give the eon, era, and period of the specified time. 
... What fraction of Earth's history is represented by the Precambrian? ... Rocks of 
Paleozoic and younger ages contain many fossils. b. ... Grasses and mammals. [DOC] [TLE] GEOLOGICAL TIME / DATING TECHNIQUES [PAR] 1. The forces and processes that can be observed shaping our present day ... 
About 88 percent of geologic time is represented by the time span often called ... 
The era known as the "age of mammals" or recent life is the a. .... Less than 0.01
%. [DOC] [TLE] GEOLOGICAL TIME / DATING TECHNIQUES [PAR] 1. About 88 percent of geologic time is represented by the time span often ... The 
era known

Question: This era, the age of mammals, represents less than 1 percent of geologic time
Answer: Cenozoic Era