Introns because they are coding sequences.
Exons because they are non-coding sequences.
Mitosis occurs in somatic cells when a liver cell divides to create new liver cells it will create identical daughter cells, identical to the parental cell, this guarantees the genetic composition, function and type of cells from one generation of cells to the next.
S phase for mitosis. so yea
Answer: All of these are true (besides the one that says that none are true...).
Explanation:
The ecological succession is a slow change in the living community of the ecosystem along with the changes occurring in the non-living environment until the ecosystem attains stability.
The primary succession can be defined as the initial level of succession. This succession begins in the primitive environment. The soil develops after the weathering process of rocks.
The secondary succession begins in the region where life forms existed before and the area begin damaged by the catostrophic event like forest fire, earthquake and other type of calamities. Some remaining plant parts can give birth to the entire colony of plants.
