Question and answer
Biologists estimate how long ago species separated from a common ancestor using a technique called _____. a molecular clock radiometric dating relative dating stratigraphy
They use a molecular clock.
Get an answer
Original conversation
User: Biologists estimate how long ago species separated from a common ancestor using a technique called _____. a molecular clock radiometric dating relative dating stratigraphy

Weegy: They use a molecular clock.
aaaaaaaaaaaaaaa|Points 3996|

User: _____ created oxygen in the early atmosphere. Photosynthetic bacteria Asteroids hitting the earth Plankton Volcanic eruptions Forests

User: The Cretaceous-Tertiary extinction, the most famous of all the Big Five, has been attributed to what major event that triggered the fall of the dinosaurs? an asteroid hitting the earth increased competition from mammals rapid growth of forests on land surfaces glaciation

Weegy: Two prominent theories of extinction are climate change and an asteroid hitting the Earth.
diharpie|Points 2760|

User: Ninety-five percent of all living organisms were killed by the deadliest mass extinction in history. It is known as the _____ mass extinction. Cretaceous-Tertiary End Triassic Permian-Triassic Late Devonian Ordovician-Silurian

Weegy: Ordovician-Silurian, have another question?
ANGEEELICA|Points 7867|

User: When huge numbers of species die out in a short period of time, it's known as a mass extinction. True False

User: The first life forms found on Earth were _____. bryozoans bacteria insects shellfish

Weegy: The first life forms found on Earth were bacteriA
Expert answered|jeifunk|Points 1780|

User: A geologist is studying layers of rock. He finds a fossil of a bony fish. According to the law of faunal and floral succession, what new type of fossil would he most likely find next, in the layers of rock above? a fossil of an amphibian a fossil of a reptile a fossil of a trylobite a fossil of a human

Question
Asked 3/26/2012 8:37:30 PM
0 Answers/Comments
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
17,604,372 questions answered
Popular Conversations
A list of potential sources of information for a paper is a(n) ...
Weegy: A list of potential sources of information for a paper in annotated bibliography. User: An index to ...
9/29/2014 2:50:04 PM| 4 Answers
You've settled on an idea for an essay to write. What should you do ...
Weegy: D.) Conduct interviews, do some research, ask questions, and make a plan. User: To make sure your reader ...
9/29/2014 5:55:28 PM| 4 Answers
What is the square root of 6000?
9/29/2014 2:39:45 PM| 3 Answers
Because the subject of a composition is like a crystal with many ...
Weegy: Because the subject of a composition is like a crystal with many facets, you should A. offer your reader ideas ...
9/29/2014 7:06:34 PM| 3 Answers
The densest ocean water is generally found a. in the surface ...
Weegy: A. in the surface zone User: In which zone is ocean temperature most affected by the weather? a. transition ...
9/30/2014 6:07:25 AM| 3 Answers
The pressure of ocean water increases as depth increases. User: The ...
Weegy: It originates in the Gulf of Mexico and, as the Florida Current, passes through the Straits of Florida and then ...
9/30/2014 6:27:02 AM| 3 Answers
In the Roman Republic, ____________ did not have power in the ...
Weegy: In the Roman Republic,non-citizens did not have power in the government.
9/29/2014 5:48:03 AM| 2 Answers
Weegy Stuff
S
R
L
1
1
P
C
1
P
1
1
L
P
C
P
C
1
P
C
L
P
C
1
P
C
P
C
P
C
L
Points 3316 [Total 27714]| Ratings 8| Comments 3236| Invitations 0|Offline
S
L
1
L
P
C
1
Points 2951 [Total 9482]| Ratings 12| Comments 2831| Invitations 0|Offline
S
L
P
C
L
P
C
P
C
L
P
C
P
C
P
C
Points 2816 [Total 19988]| Ratings 12| Comments 2696| Invitations 0|Offline
S
L
C
P
C
1
L
L
P
C
1
Points 2761 [Total 18700]| Ratings 19| Comments 2571| Invitations 0|Offline
S
L
1
1
1
1
L
1
L
Points 2595 [Total 12375]| Ratings 0| Comments 2595| Invitations 0|Offline
S
1
L
1
L
P
P
L
Points 982 [Total 12228]| Ratings 0| Comments 982| Invitations 0|Offline
S
L
P
C
P
C
1
L
P
C
L
P
C
P
C
P
C
P
C
Points 864 [Total 19395]| Ratings 2| Comments 844| Invitations 0|Offline
S
L
Points 733 [Total 1402]| Ratings 0| Comments 733| Invitations 0|Offline
S
1
L
L
Points 665 [Total 5788]| Ratings 5| Comments 615| Invitations 0|Online
S
P
C
L
P
L
1
Points 177 [Total 6234]| Ratings 2| Comments 157| Invitations 0|Offline
Home | Contact | Blog | About | Terms | Privacy | Social | ©2014 Purple Inc.