1 Nitrogen Fixing.
2 Decomposition and Ammonification.
3 Nitrification.
4 Denitrifying bacteria.
Answer:
gene flow is the transfer of genetic variation from one population to another.
option D
Answer:
microvilli, actin filaments
Explanation:
The apical ends of intestinal cells face the intestinal channel and have long processes that facilitate the absorption of nutrients. the name of these processes is microvilli and actin filaments from the cytoskeletal element forms their internal skeleton.
