Notice: Payments for answers will end 4/10/2017. Click for more info.
You have new items in your feed. Click to view.
Question and answer
Q: Biologists estimate how long ago species separated from a common ancestor using a technique called _____. a molecular clock radiometric dating relative dating stratigraphy
A: 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.
26,641,051 questions answered
Popular Conversations
Suppose the U.S. can produce cars for a lower opportunity cost than ...
Weegy: Suppose the U.S. can produce cars for a lower opportunity cost than Japan while Japan has a comparative ...
2/13/2018 7:30:37 PM| 4 Answers
What's the simplified form of 2x + 3 x + 5? A. x 8 B. ...
Weegy: (2x^2)(3x^2) = 6x4 User: Simplify this expression: 13 + (–12) – (–5) = ? A. –6 B. 6 C. –30 ...
2/12/2018 11:53:02 PM| 3 Answers
Solve this equation: 80 = 3y + 2y + 4 + 1. A. y = 1/5 B. ...
Weegy: 80 = 3y + 2y + 4 + 1 80 = 5y + 5 80 - 5 = 5y -5y = -75 y = 15 User: Solve the inequality: 12p + 7 > 139 ...
2/14/2018 2:20:46 PM| 3 Answers
Solve the equation: 12y = 132. A. y = 11 B. y = 144 ...
Weegy: 12y = 132 User: Solve this equation: 2s + s + 12 = 132. A. s = 40 B. s = –30 C. s = 9 D. ...
2/14/2018 2:32:47 PM| 3 Answers
Write 10 5/12 as an equivalent improper fraction.
Weegy: 10 5/12 in improper fraction form is 125/12. User: Subtract: 8 – 4 1/2
2/15/2018 12:27:39 AM| 2 Answers
Weegy Stuff
S
L
Points 344 [Total 347] Ratings 10 Comments 214 Invitations 3 Offline
S
Points 89 [Total 89] Ratings 0 Comments 19 Invitations 7 Offline
S
P
L
P
P
Points 51 [Total 244] Ratings 0 Comments 51 Invitations 0 Offline
S
P
Points 41 [Total 85] Ratings 1 Comments 31 Invitations 0 Offline
S
1
L
L
P
R
P
L
P
P
R
Points 35 [Total 12646] Ratings 0 Comments 35 Invitations 0 Offline
S
Points 20 [Total 20] Ratings 2 Comments 0 Invitations 0 Offline
S
P
Points 13 [Total 30] Ratings 0 Comments 13 Invitations 0 Offline
S
Points 11 [Total 11] Ratings 1 Comments 1 Invitations 0 Offline
S
Points 10 [Total 10] Ratings 0 Comments 0 Invitations 1 Offline
S
Points 10 [Total 11] Ratings 1 Comments 0 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.