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how do fossils prov… - QuestionCove
OpenStudy (anonymous):

how do fossils provide evidence of environmental changes that occured in the past?

3 years ago
OpenStudy (anonymous):

Fossils provide the age in which the animal died and may give some answers to what happened to that animal.

3 years ago
OpenStudy (anonymous):

are you sure

3 years ago
OpenStudy (anonymous):

I think so...

3 years ago
OpenStudy (anonymous):

where did you find the answer?

3 years ago
OpenStudy (anonymous):

I'm not exactly sure but I know that is what a fossil shows.

3 years ago
OpenStudy (anonymous):

What grade are you in?

3 years ago
OpenStudy (anonymous):

5th

3 years ago
OpenStudy (anonymous):

what grade are you in

3 years ago
OpenStudy (anonymous):

oh ok same!

3 years ago
OpenStudy (anonymous):

which school

3 years ago
OpenStudy (anonymous):

I'm homeschooled, what about you?

3 years ago
OpenStudy (anonymous):

can i ask you another question?

3 years ago
OpenStudy (anonymous):

yeah sure!

3 years ago
OpenStudy (anonymous):

What are the different types of divisions of geologic time?

3 years ago
OpenStudy (anonymous):

are you there

3 years ago
OpenStudy (anonymous):

EONS -- The first and largest division of geologic time. ERAS -- The second division of geologic time; each era has at least two periods. PERIODS-- The third division of geologic time. Periods are named for either location or characteristics of the defining rock formations. Location = the region where the period's characteristic rocks were first studied. Characteristics = the nature of the unique system of rocks and rock formations that define the Period. EPOCHS -- The fourth division of geologic time; represents the subdivisions of a period. The time of the transition from one interval of geologic time to the subsequent one is usually marked by a relatively abrupt change in fossil types and numbers. is not known precisely, with the uncertainty increasing with increasing age since fossils become rarer and harder to identify in the distant past.

3 years ago
OpenStudy (anonymous):

so basically eons, eras, periods, and epochs

3 years ago
OpenStudy (anonymous):

thx!!!!!!!

3 years ago
OpenStudy (anonymous):

no problem!

3 years ago
OpenStudy (anonymous):

can i ask another question

3 years ago
OpenStudy (anonymous):

are you there

3 years ago
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