1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
sergey [27]
2 years ago
10

How long after the formation of Earth did the first life appear?

Biology
1 answer:
djyliett [7]2 years ago
6 0

Answer:

4.54 billon years

Explanation:

the earliest time that life forms first appeared on Earth is at least 3.77 billion years ago possibly as early as 4.28 billion years

You might be interested in
Why are molecular clocks important in the construction of cladograms? They compare the frequency of reproduction to determine wh
Dmitrij [34]

Answer: They compare the number of mutations to determine how long ago species separated and evolved.

You're welcome!

7 0
3 years ago
Read 2 more answers
Que ocurre en los capilares?
Sergeu [11.5K]

Answer:

Los capilares rodean a las células y a los tejidos del cuerpo para aportar y absorber oxígeno, nutrientes y otras sustancias. Los capilares también conectan las ramas de las arterias y las ramas de las venas.

8 0
3 years ago
Cells require a structure that regulates the transfer of material in and out of the cell. This structure is the –
FromTheMoon [43]
Cells require a structure that regulates the transfer of material in and out of the cell. This structure is the –

Cell membrane.
3 0
2 years ago
I need a better science grade so im trying to at least get an 80 percent, no lower grade
sergejj [24]
The answer will be D
8 0
3 years ago
Help!! I need it right now :(
pshichka [43]
All of the squares would be filled in with “BW”
1) The parents are “pure”
2) One parent is white, one parent is black
3) Yes
4) Gray
5) Neither color is a dominant gene over the other

Word scramble:
1) Dominant
2) Recessive
3) Blend?
4) Trait
5) Hybrids?
3 0
3 years ago
Other questions:
  • What is villi define it
    10·2 answers
  • What dose it mean for a molecule to diffuse down a concentration gradient?
    7·1 answer
  • Which term is considered the body's first line of defense against infection?
    10·2 answers
  • Which chemcal bond most likely stores the most energy?
    11·1 answer
  • is it possible to find the same gene in two different kinds of organisms but not find the protein that is produced by that gene
    9·1 answer
  • 2 _____ molecules required
    11·2 answers
  • Secondary succession occurs in which of the following
    15·1 answer
  • PLZZ HELP!
    11·2 answers
  • What kind of boat is this
    15·1 answer
  • If I am 5'1 109lbs and 14 what is the total amount of water i need given that im doing one hour and thirty mins of phisical acti
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!