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
Which factor increases the rate of a chemical reaction?
V125BC [204]
There are 3 factors which are; temperature, pressure and concentration.
4 0
3 years ago
Read 2 more answers
Consider this animal cell.
V125BC [204]

Answer:

1: cell membrane

2. chloroplast

Explanation:

1. the cell membrane is the outer layer of an animal cell since they don't have cell walls

2. only plant cells have chloroplasts

4 0
3 years ago
When blood glucose levels are difficult to control in Type II diabetes, some forms of insulin may be added to the treatment regi
Elanso [62]

Answer:

Newer premixed insulins are better at lowering hemoglobin A1c and postprandial glucose levels than are long-acting insulins

5 0
3 years ago
Which questions regarding gross motor skills should the nurse include when conducting the interview portion of the developmental
sdas [7]

The nurse should ask during the interview portion of the developmental assessment with the parent of an infant between 10 and 12 are; First Does your baby stand independently? Second "Is your baby able to walk with assistance?” and "Does your baby sit from a standing position?"

8 0
3 years ago
Secretions from the pancreas include ________.
Rom4ik [11]
Sodium bicarbonate and digestive enzymes.
4 0
3 years ago
Other questions:
  • In folklore medicine, one method of providing the disease with means of escape was to:
    10·1 answer
  • Which of the following is an output of photosynthesis? a. oxygen b. carbon dioxide c. water d. nutrients Please select the best
    10·2 answers
  • The last "hot house" or period of increased temperature occurred _____. during a.the time of the dinosaurs
    10·2 answers
  • Which of the following energy sources is formed from ancient marine deposits? (AKS 1a / DOK 1) A. coal B. oil C. uranium D. peat
    11·1 answer
  • Animal cells do not go through which of the following processes?
    11·1 answer
  • Which statement correctly explains what a scientific theory is?
    15·1 answer
  • Your friend's mother was always baking ginger-flavored cookies whenever you were at their house. You loved those cookies, and wo
    6·2 answers
  • Meiotic cell division in animals is directly responsible for the ? A, growth of a cell B ,formation of gametes c, fertilization
    5·2 answers
  • Which of the following does not occur in telophase?
    13·1 answer
  • What could a dog living now and a car living thousands of years ago have in common?<br>​
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!