Tachycardia is a condition when the heart rate is greater than 100 beats per min at rest. The electrocardiogram is a diagnostic tool that measures and records the electrical activity of the heart. Bradycardia on the other hand is when the heart rate is slower than normal. The Tachycardia and bradycardia can arise from either the SA node or from other areas of the cardiac.
Answer:
The advantage of 2nd one is no partner is needed, Less energy is required. Disadvantage is no variation for genetic problems, The offspring will have everything of the parent. For the 1st one reproduction advantage Is a higher survival rate. Disadvantage is a lot of energy is needed Because it requires a ( male and female)
Muscle spasms<span>Hypocalcemia can cause
emotional disturbances
depression of the nervous system
muscle weakness
sluggish reflexes
muscle spasms</span>
Answer:
Diversifying or disruptive selection increases genetic variance when natural selection selects for two or more extreme phenotypes that each have specific advantages.
