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Akimi4 [234]
3 years ago
14

What is the meaning of the meteorite? HELP PLEASE

Biology
2 answers:
Nikitich [7]3 years ago
8 0

Answer:a meteor that survives its passage through the earth's atmosphere such that part of it strikes the ground. More than 90 percent of meteorites are of rock, while the remainder consist wholly or partly of iron and nickel.

Explanation: i hopefully this helps answer your question and also please give the brainlyest answer because i need it to rank up

Anika [276]3 years ago
7 0

A meteor that survives its passage through the earth's atmosphere such that part of it strikes the ground.

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BigorU [14]

Answer:

Microevolution refers to evolution at or below the species level.

Explanation:

  • If the change occurs in the short period span of time within the specific species then this type of change is refereed to as the micro evolution.
  • Micro evolution is occurred in between small group of animals or species.
  • If the evolution is expanded to community or large population it is not considered as a microevolution.
  • Microevolution may be caused due to mutation, selection, gene flow and genetic drift.
3 0
2 years ago
Read 2 more answers
Why do ecosystems need a continual influx of new energy?
stepladder [879]
Yes they do just like we do
4 0
3 years ago
Which of the following is continually passed from one enzyme to the next during the Electron Transport Chain?
AVprozaik [17]

The correct answer is electrons.  

Electron transport chain refers to an array of complexes, which mediates electrons from electron donors to electron acceptors through redox reactions, and combines the transfer of electrons with the transfer of protons through a membrane.  

This produces an electrochemical proton gradient, which instigates the production of ATP. The ultimate electron acceptor in the electron transport chain is oxygen in aerobic respiration and sulfate in anaerobic respiration.  


5 0
3 years ago
The most important factor that determines the percent of oxygen saturation of hemoglobin is
erik [133]

Answer:

This question lacks options, options are:

a) The partial pressure of oxygen

b) Acidity

c) The partial pressure of carbon dioxide

d) Temperature

e) BPG

The correct answer is a. The most important factor that determines the percent of oxygen saturation of hemoglobin is <u>The partial pressure of oxygen </u>.

Explanation:

Hemoglobin is an oxygen transport protein. Partial Oxygen Pressure (PaO2), measures the pressure of dissolved oxygen in the blood, that is, it shows how well oxygen passes from the lungs into the bloodstream. A high partial pressure of oxygen in the blood produces an almost complete saturation of hemoglobin, which indicates the maximum amount of oxygen that combines, but when PaO2 is reduced, so is hemoglobin saturation, when saturation is below 90% hypoxemia occurs, that is, the level below normal blood oxygen levels.

3 0
2 years ago
Which part of a seed acts as the food source for the seed as it grows underground?
liubo4ka [24]
The answer is a cotyledon
5 0
2 years ago
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