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
Romashka [77]
3 years ago
7

According to most scientific models, how many years ago did the first simple cells appear on Earth?

Biology
1 answer:
alexandr402 [8]3 years ago
7 0

About 3.6 billion years ago, one billion years after the formation of Earth, the first simple cells (prokaryotes) appeared on Earth. Hope this helps!

You might be interested in
Ths greenhouse effect is a result of
ivolga24 [154]
Greenhouse is due to excess of CO2 , Methane gas !! It has both benefits and demerits !!
5 0
3 years ago
Read 2 more answers
An organism that can use energy from the sun to directly produce food is called a(n) . An organism that must consume other organ
scoray [572]

Answer:

autotrough/hetrotrough /process of photosynthesis plant make glucose (c6h12o6)

Explanation:

4 0
3 years ago
BRAINLIESTTTT ASAP!!!
agasfer [191]
Dalton's atomic theory said, apart from other things, said that an atom was the smallest things and that all matter was composed of atoms.
But J. J. Thomson discovered the electrons, particles smaller than atoms, and after that, changes to Dalton's theory were made.

Hope it helped!
4 0
3 years ago
The majority of glomeruli are located in the ________ of the kidney.
Fofino [41]

The answer is C) cortex

4 0
3 years ago
Which of the following accurately describes the structure of DNA?
Anna35 [415]
I think it's B.   Because <span>DNA is a double helix formed by base pairs attached to a sugar-phosphate backbone.</span>
4 0
3 years ago
Read 2 more answers
Other questions:
  • What would be the base sequence for the complementary DNA formed from the strand of DNA shown below? ATG CT
    10·2 answers
  • 2 variable examples for deforestation
    8·1 answer
  • How are homologous structures such as forelimbs evidence for common descent
    6·1 answer
  • List the 3 stages of cellular respiration.
    5·2 answers
  • 5. During cellular respiration, energy is stored in the form of _______.
    14·2 answers
  • A plant continues to grow throughout its life through the use of a process called...
    10·1 answer
  • If the larvae of a particular species of mosquito are to survive to the adult stage, the eggs must be laid in the trapped pool o
    14·1 answer
  • Tropical bird species tend to produce smaller clutches of eggs than temperate bird species. One hypothesis put forward to explai
    14·1 answer
  • How is fish adapted? Write any two adaptational characters of them.​
    15·2 answers
  • Which of these are components of blood? (Select all that apply.)
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!