The correct answer is letter D
Explanation: Only through reason could a new nation protect the rights of the people.
Answer:
Absolute refractory period
Explanation:
The absolute refractory period is short in an action potential. During the refractory period, there is no occurrence of another action potential. There would occur two types of refractory periods
Absolute refractory periods: Absolute period is the period when another action potential won't occur immediately after a first action potential. This refractory period also called an effective refractory period. This period happened because the sodium channel is inactivated and is stable in the same way until the hyper polarization does not occur.
Relative refractory period:
Answer:
Directional selection; stabilizing selection
Explanation:
- The stabilizing selection is a result of the decrease of the population and causes genetic variation due to the natural selection.
- The directional selection of the genetic variation shifts to a new phenotype and on exposure to the environmental changes and both of these can lead to the natural selection and contribute to the variation of the population.
Answer:
I honestly agree with the first person response. They did a great good explaining things.
