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
Nady [450]
3 years ago
6

Which organisms appeared on earth first

Biology
2 answers:
STatiana [176]3 years ago
6 0

The organisms which appeared on earth first was bacteria.

<u>Explanation:</u>

  • The first-ever living organism on Earth was a bacteria known as cyanobacteria. It is believed by scientists that it first formed around 3 billion years ago.
  • When the Earth was first formed, it was inhospitable for a long time until 3.8 billion years ago approximately, the core cooled down and the level of oxygen had risen. This, along with photosynthesis resulted in the formation of Cyanobacteria.
  • These organisms were capable of carrying out the process of photosynthesis by which they prepared their food. These were known as common ancestors. All the living organisms thereafter are known to be their descendants.
baherus [9]3 years ago
4 0

Bacteria.

<u>Explanation:</u>

The first living beings on the Earth, were the single-celled organisms called as micro-organisms or the microbes that lacks a cell membrane or cell nucleus known as Prokaryotes, seems to be appeared first on the Earth almost 4 billion years ago, which was just a few 100 million years subsequent to the Earth formation itself. Considerably, the longest part of the life history on the Earth, thus, involved the biochemical development of these unicellular micro-organisms, such as bacteria and archaea.

You might be interested in
What has to happens in order to natural selection to occur
Mashcka [7]

natural selection is an species wich are adapted to their environment

7 0
3 years ago
Monosaccharides are also known as what?​
Gelneren [198K]

Answer and Explanation:

Ello mate here's your answer!

Monosaccharides are also known as <em><u>simple sugars.</u></em>

3 0
2 years ago
11 the liquid you add to<br> this too cold it won't activate. Why?
cupoosta [38]

The yeast may not activate if it's way past it's expiration date. Next, add the required amount of yeast to the warm water. Feed the yeast! I like to add a little sugar or honey to the water and yeast mixture, then give it a stir.

5 0
2 years ago
For a flower to produce seeds the pollen needs to reach its what
Naily [24]
IT'S stigma as the stigma is the female part of the flower. it has a tube leading down to the ovules and they fertilize
4 0
3 years ago
Read 2 more answers
OPEN ENDED QUESTION
olya-2409 [2.1K]

Answer:

Genetic mutation.

Explanation:

Insects may grow used to the effects of pesticides over time (natural selection), causing their genetics to be stronger than the pesticides, while eagles (having nothing to do with pesticides, because they typically live in the air) would be affected because the presence of the chemicals are new to its genetics.

4 0
2 years ago
Read 2 more answers
Other questions:
  • Cell drinking; cell eating. Both are modeled here and are examples of A) osmosis. B) diffusion. C) endocytosis. Eliminate D) fac
    15·1 answer
  • Measurement and hypothesis pre-lab questions 1. which system of measurement is the most widely adopted?
    15·1 answer
  • Name the three tissue layers and two types of vascular tissue in tracheophytes
    15·1 answer
  • Hemophilia is a genetic disorder that causes a protein required for normal blood clotting to be missing. The mode of inheritance
    9·2 answers
  • 1. : Help prevent molecules from passing through the extracellular space between adjacent cells.
    10·1 answer
  • Which muscle is highlighted below? ​
    15·2 answers
  • Janine’s hands are larger than her father’s hands. Which explanation can account for the difference in hand size between father
    5·1 answer
  • 100 POINTS + BRAINLIEST
    12·1 answer
  • How can the type of bedrock under soil affect the characteristics of the soil?
    8·1 answer
  • Identify why many compounds dissolve in water
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!