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
krek1111 [17]
3 years ago
13

Which of these statements is true about the oxygen revolution?

Biology
1 answer:
lions [1.4K]3 years ago
8 0
According to a source the answer is <span><u>Cyanobacteria were the first organisms to produce oxygen in water, which then escaped into the atmosphere.</u>

These cyanobacteria species were the first ones to "produce" oxygen as a by-product of the photosynthetic mechanisms which enables organisms to make their own food. </span>
You might be interested in
In a fruit fly experiment, grey body, normal winged (homozygous dominant) fruit flies were mated with black body, short winged (
bogdanovich [222]

Answer:

In a fruit fly experiment, grey body, normal winged (homozygous dominant) fruit flies were mated with black body, short winged (homozygous recessive) fruit flies. The F1 dihybrid females were then used in a test cross. If the genes are always linked and no crossing over occurs, what would be the predicted ratio in the F2 generation?

GG x bb = Gb, Gb, Gb and Gb  F1 generation

grey body heterozygous offspring 4:0

Gb x Gb= GG, Gb, Gb, and bb F2 generation

3:1 three grey body fly and one black body fly

Explanation:

6 0
3 years ago
A. on which side of the membrane is chloride more concentrated? (base your answer only on the facts given above, rather than on
Vikentia [17]
In a human? Need more context here but should be outside the cell. At equilibrium you will have a more negative environment in the cell.
7 0
3 years ago
Classify this cell type
Fed [463]
Its a Eukaryotic cell
6 0
3 years ago
Codons are found on
olga2289 [7]

Answer:

Anticodons are found in tRANA

Codons are found in RNA

Can I get brainliest?

6 0
3 years ago
If mitosis occurs correctly, the division of one cell by mitosis produces _______________ .
Neko [114]

If mitosis occurs correctly, the division of one cell by mitosis produces two cells.


4 0
3 years ago
Read 2 more answers
Other questions:
  • Why are recessive alleles not removed from populations over time?
    5·2 answers
  • Tracey was learning about structural organization in animals. What level of structural
    6·1 answer
  • What is the advantage of stopping mitosis at metaphase when making a chromosome spread?
    8·1 answer
  • What is speciation?
    7·2 answers
  • Which best explains how Deng Xiaoping modernized industry in China?
    8·2 answers
  • Membrane proteins are among the most important proteins biologically because they allow the cells to communicate with their envi
    8·2 answers
  • Which term best describes the community shown in the photograph
    9·1 answer
  • Which statement correctly describes the difference between cellular respiration and photosynthesis?
    10·1 answer
  • Assume that 23 mL of distilled water is added to 7 mL of blood plasma that has a sodium chloride concentration of 140 mM. Calcul
    7·1 answer
  • I need somebody to help me :)
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!