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
allochka39001 [22]
3 years ago
15

The hypothesis, which says lightning struck the Earth causing tiny organic molecules to join and form living organisms, is histo

rically known as.....
A.) primordial soup model

or

B.) evolutionary model
Biology
1 answer:
Leona [35]3 years ago
6 0

The answer is;  A


This model hypothesizes how life started during the early conditions of the earth which were hot and filled with greenhouse gases in its atmosphere about 4 billion years ago. It is explained by the theory of spontaneous generation where organic molecules were created from inorganic molecules spurred from energy from lightning. These organic molecules filled the water bodies and chemically arranged themselves, over time, into primordial life.


You might be interested in
How do animals get the carbon atoms to form the CO2 molecules that they exhale ?
QveST [7]
Wanna play fortnite with me

4 0
3 years ago
Eye color can be passed down from one generation to another. blue eyes are a type of eye color known as what?
alexdok [17]

Answer:

Eye color depends upon the amount of melanin pigment in the eye.

Explanation:

  • Melanin is a brown pigment that is responsible of eye color in the iris.
  • The genes are located next to the OCA2 gene.
  • When the amount of melanin is in less amount in the iris, it causes change in eye color that may be grey, hazel or blue.
  • But when the quantity of melanin is very least,it causes blue color in the iris.
  • Blue color is also caused by genetic mutation in an individual.
6 0
3 years ago
10 differences between animal cells and plant cells
Oksana_A [137]

Answer:

Following are the difference to the given question:

Explanation:

  • Plant cells have a wall of a cell, while cells of animals wouldn't. Cell membranes offer plants support and shape.
  • Chloroplasts in plant cells do not occur, however, in animal cells. Chloroplasts allow plants can grow things via photosynthesizing.
  • Plant cells typically get a vacuole(s) that is one or even more big, whereas animal cells are vacuous, whether any.
  • Large vesicles assist shape the plant and enable food and water to be store for future use.
  • In animal cells, the storing function takes a smaller part and the vacuoles, therefore, are smaller.
  • A plant cell is square in its structural way and an animal cell is often spherical and irregular.
  • The cell of a plant has a vesicle in its big form which is significantly smaller than the plant cell, as well as the animal cell was the or more vacuoles. In general, a vacuole is a storage area for the cells to store water.
  • There is no chloroplast inside the animal cell. Chloroplast is a plant cell that produces photosynthesis from its food. The plants have a green color.
  • The nucleus is located throughout the cell of the plant on the other edge of the peripheral cytoplasm, while the nucleus is in the animal's core.
  • Plant cells store food of starch while animal cells store food of glucose.
  • The mitochondria in the plant are fewer and also have tube cristae, whereas the animal cells have grown in various.
3 0
3 years ago
Assuming that it will rain when the sky is cloudy and dark is an example of a ?
xz_007 [3.2K]
An inference, because its an educated guess based on context
5 0
3 years ago
Although amino acids have "acid" in their name, some are acidic in water solutions, some are basic, and others are neutral. Prop
makvit [3.9K]

Amino acids are organic compounds containing amine (-NH2) and carboxyl (-COOH) functional units. They have a side chain and this side chain determines if an amino acid is basic or neutral. The acidic ones have acidic side chain and the basic ones have a basic side chain at neutral pH.

Arginine, lysine, and histidine are the basic ones. Aspartate and glutamate are the acidic ones. Glutamic acid is the one shown in the figure. Acidic amino acid have more Carboxyl group than amino group . Basic amino acids like lysine (shown in the figure in your question) have side chains that resemble ammonia which is basic.

5 0
4 years ago
Other questions:
  • The scientist responsible for this statement would be in the scientific field of
    5·1 answer
  • Cells come in various shapes and sizes depending upon their function. True or False?
    10·2 answers
  • This holds an organism's hereditary information. All cells contain the same genetic information before differentiation.
    12·2 answers
  • What fruit type is a strawberry ?
    15·2 answers
  • Why do real examples not always follow the punnrt square
    15·1 answer
  • What do you think might happen if temperatures rise much higher than 30 degree celsius
    11·1 answer
  • Explain the process of mitosis in a tissue culture for cancer cells
    12·2 answers
  • Which of the following infectious agents cannot live outside of a human body for extended periods of time?
    15·2 answers
  • 2. A person who doesn't<br> tell the truth
    13·1 answer
  • As the duration of exercise is increased, the heart's recovery time will ____, because ___.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!