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
Vadim26 [7]
3 years ago
7

Stromatolites are rocky structures that generally form in shallow waters from the binding of sediment by microbial biofilms. Str

omatolites are typically hypothesized to be formed from the presence of cells that bind these grains together. If the appearance of the stromatolites in the fossil record were to indicate the emergence of life on earth, approximately how old are the oldest stromatolites on earth? A) 2.6 billion years old B) 3.6 billion years old C) 4.6 billion years old D) 400 million years old
Biology
1 answer:
hjlf3 years ago
7 0

<u>Answer:</u>

Approximately, the oldest stromatolites are 3.6 billion years old on earth.

<u>Explanation:</u>

  • Stromatolites is not only oldest earths fossil but conspiracy in that they are singular visual portal in deep time on earth.
  • It is defined as laminated accumulation structure that is they stick up above sea floor .
  • Stromatolite buildings includes oldest fossils which are 3.5 billions old when the earth were too unfriendly to support life.
  • The study of  fossil age, evolutionary, method of formation are known as paleontology.
  • These specimens are considered as old fossils which are around 3.4 to 4.1 billions years old.
You might be interested in
Is there a difference between radial and spherical symmetry? If so, what is the difference?
allsm [11]

Yes, There is no spherical symmetry in biology. But is in Spherical

7 0
3 years ago
What 6 things make earthquakes destructive?
blsea [12.9K]

the primary effect of earthquake are ground shaking, ground rupture, landslides tsunamis, and liquefaction

3 0
3 years ago
Why does dna replication occur inside the cell?
Brilliant_brown [7]
This is because both strands of DNA have complementary bases. The nucleotide sequence of each automatically gives the needed information to produce its partner. This needed information is Genetic/DNA/Parent Cell. Each cell serves as it's own template in order to acquire this.
6 0
3 years ago
Sorry this was a test
lyudmila [28]

Answer:

well I'll gladly take your pionts.

6 0
3 years ago
Read 2 more answers
In a species of Asclepias (milkweeds) there are two alleles of a gene involved in the synthesis of cardenolides. One allele resu
g100num [7]
Menenemmek ekekejekkwj wkekejkekw
6 0
3 years ago
Other questions:
  • Plz help ASAP!!!!!!!!!
    7·2 answers
  • What happens to the volume of the gas being measured (O2 consumption or CO2 production) when the temperature or pressure changes
    9·2 answers
  • Which statement about ddt best shows how science has been impacted by society? ddt led to insect resistance. ddt was considered
    7·2 answers
  • What is the green pigment called?
    11·1 answer
  • Which factors affect the solubility or dissolving rate of a substance?
    12·2 answers
  • What is one function of steroids?
    12·2 answers
  • What is the role/function of neurohormones in annelied?​
    12·2 answers
  • Nick is conducting a controlled experiment to test whether music helps daisies grow faster. Below are the steps to Nick's experi
    6·2 answers
  • Index fossils give us clues to_______________?
    9·2 answers
  • Circle the class type of rock that most likely includes rock layers
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!