Answer:
Diffusion is the movement of molecules from an area of high concentration of the molecules to an area with a lower concentration. For cell transport, diffusion is the movement of small molecules across the cell membrane. ... The kinetic energy of the molecules results in random motion, causing diffusion.
A map that locates genes and markers based on the actual length of the dna sequence is called a physical map. In the physical map <span>molecular biology techniques are used to examine </span>DNA<span> molecules directly in order to construct maps showing the positions of sequence features.</span>
Niche diversity refers to the evolutionary process in which species diverge in order to take advantage of open niches in their environment. This can also be seen in species that are somehow threaded from a common ancestor they share.Hope this helps:)
number two is answer is a
Sexual reproduction because sexual reproduction leads to genetic variation.