There are three, since each population is a group of individuals of the same species that live in the same area and can interbreed and produce fertile offspring.
Answer:
tongue; middle of the back
Explanation:
- In physiology, the two-point threshold means that there must exist a threshold distance, above which any given subject can differentiate between two different sensations.
- In physics, the two-point threshold is the smallest distance that exists between two points where the person can distinguish those two points as distinct and not one.
- This two-point threshold work by Weber found that the most sensitive area where the threshold distance was the smallest was the tongue and the least sensitive area where the distance was largest was the middle of the back.
Answer:
The soil and rocks in the zone of aeration have pores which are partially filled with water and air. The zone of saturation comprises rocks and soil whose pores are saturated with water. 3. The zone of saturation lies beneath the water table, while the zone of aeration lies above it.
Explanation:
<em>During dna replication, the enzyme dna polymerase adds new nucleotides to the </em><em>3</em><em>'</em><em> end of the sugar in the growing strand</em>
I think the answer is naturally acquired active immunity..also depends on which disease
