Answer:
endemic species
Explanation:
Species found in only one place on earth are called endemic species
Cell wall is the structure in the leaf cell that is responsible for this difference.
Well they can begin as cosmic rays colliding with water molecules to create clouds. Hope this helps :)
Nondisjunction causes errors in chromosome number, such as trisomy 21 (Down syndrome) and monosomy X (Turner syndrome). It is also a common cause of early spontaneous abortions.