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
stich3 [128]
3 years ago
8

When did the first life appear?(how many years ago?)​

Biology
2 answers:
Veronika [31]3 years ago
8 0
Alc alc no se pero bendición carnal
Airida [17]3 years ago
4 0
The earliest life forms we know of were microscopic organisms (microbes) that left signals of their presence in rocks about 3.7 billion years old.
You might be interested in
Oswald and Avery repeated Griffith’s work in 1944. What were they trying to figure out?
Pepsi [2]

Answer:

Colin MacLeod, and Maclyn McCarty showed that DNA (not proteins) can transform the properties of cells, clarifying the chemical nature of genes.

Explanation:

4 0
3 years ago
What are all possible gametes that can be produced by an individual with the genotype FFGg
vfiekz [6]

Answer:

Possible Gametes: FG, Fg, FG, Fg

Explanation:

FFGg

F->G

F->g

F->G

F->g

3 0
3 years ago
Read 2 more answers
What is a organelle??????????????????????????????????????????????
Murljashka [212]
An organelle is a specialized structure inside Eukaryotic cells.
7 0
3 years ago
All of the following are stages in the human menstrual cycle except
Dmitry_Shevchenko [17]
B the corpus phase is the correct answer the last phase of the menstural cycle that you are missing is called <span>the follicular phase</span>
3 0
3 years ago
Read 2 more answers
Cellular functions can be grouped into which three general categories?
Elena L [17]

Answer:

cell division

protein synthesis

growth and metabolism

Explanation:

idk if this is right I just looked it up

8 0
3 years ago
Other questions:
  • Can I use capture-recapture method to estimate the population of grasshoppers in my backyard?
    11·1 answer
  • What are body parts similar in origin and structure called
    5·1 answer
  • A client returns to the nursing division after a procedure. the client tells the nurse that the client was awake during the proc
    10·2 answers
  • Why doesn''t the patellar reflex happen when your leg is straight?
    12·2 answers
  • SOMEONE HELP IM FAILING BIO
    6·1 answer
  • "according to the case history, mrs. Wharton is a 59-year-old woman who presented in the dermatologist's office with a complaint
    12·1 answer
  • How does the skeletal system work with the respiratory system?
    12·1 answer
  • Where would you expect molten rock to cool slowly and large crystals form? Why?
    13·1 answer
  • Which of the following two lands features are formed by erosion
    9·1 answer
  • A non-polar molecule is not affected by a polar molecule<br> O True<br> O False
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!