NEED HELP!!!!!! CAN SOMEBODY HELP ME?

1. In studying Earth history, geologists rely on the idea that ( 1 point )
   
   

AFossils are the only way to know exactly what life existed and when.

BGeologic processes happening today on Earth also operated in the past.

CWe will never know for sure what happened 4 billion years ago because we weren't there to witness it.

1. What process is used to match rocks of similar ages in different regions?
   
   

ACorrelation

BIndexing

CSuperposition

1. Which of the following could not be preserved in the rock record?
   
   

Aa lunar eclipse

Bvolcanic eruption

Cmeteorite impact

1. In this process, rocks are put into proper sequence or order chronologically.
   
   

Aabsolute dating

Bcarbon-14 dating

Crelative dating

1. What are the best conditions for fossils to form?
   
   

Arapid burial and soft parts

Brapid burial and hard parts

Cslow burial and soft parts

1. Fossils typically form in these types of rocks, usually at the bottom of an ocean or lake
   
   

ASedimentary rock

Bmetamorphic rock

CVolcanic rock

1. The geologic time scale is divided into intervals based on significant __________ and __________ events in Earth's past.
   
   

Aevolutionary and astronomical

Bfactual and fictional

Cgeologic and evolutionary

1. This type of fossil reflects only the shape of an organism. It leaves an indentation in the rock when the organism dissolves.
   
   

Amold

Btrace fossil

Cpreserved remains

1. This type of fossil includes all or part of an organism with relatively little change
   
   

Amold

Btrace fossil

Cpreserved remains

1. This type of fossil provides indirect evidence of an animal like a footprint or burrow.
   
   

Amold

Btrace fossil

Cpreserved remains

We lump the first three Eons together and call it _______________ Time because there is not much rock or fossil evidence around from this time.

APaleozoic

BPrecambrian

CCenozoic

1. During this era, reptiles dominated the landscape.
   
   

ACenozoic

BMesozoic

CPaleozoic

1. This is the era of "recent" life. Mammals are the dominant organism and it is divided into the Tertiary and Quaternary Period.
   
   

ACenozoic

BMesozoic

CPaleozoic

1. This was the era of "ancient" life and was divided into six periods.
   
   

ACenozoic

BMesozoic

CPaleozoic

( ESSAYS )


Describe what happened at the end of the Mesozoic Era. What happened to plants and animals because of this event? Make sure to include the steps leading up to this. ( 4 POINTS )


Explain what adaptations and environmental conditions made mammals better suited for survival in the Cenozoic era. ( 3 POINTS )