Scientists found that the first living things were likely prokaryotic because eukaryotic are evolved from the prokaryotic only.
<h3>What do you mean by Natural selection?</h3>
Natural selection may be defined as favorable variations that assist the organisms to survive and reproduce in a particular habitat.
Individuals that are better suited to their environment are likely to have more offspring and pass their genetic material on to future generations. This theory is referred to as Natural selection.
Scientists hypothesize that oxygen began to accumulate in the Earth's atmosphere after the appearance of living things with the ability to Photosynthesize.
To learn more about Photosynthesis, refer to the link:
brainly.com/question/19160081
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Answer:
the process is called condensation.
the molecules will move faster
They give us the energy we need to move and to speak and to live they do that for all the organisms on earth
An electronic pulse oximeter, which can be clipped on the bridge of the nose, forehead, on the earlobe, or to the tip of finger, determines the oxygen concentration in arterial blood. Hemoglobin is the protein complex in blood that is responsible for carrying oxygen around the body. The pulse oximeter actually measures the concentration of hemoglobin in the blood and determines oxygen concentration from this value.
Well, It's either OCD or PTSD... Depending on what the person has gone through in the past, it could be PTSD, PTSD would be caused by being traumatized by something, Like if I got robbed, i would check if my doors are locked.
