Answer:
The correct answer is "asexual reproduction".
Step-by-step explanation:
The missing options of this question are:
A) pollination.
B) seed production.
C) sexual reproduction.
D) asexual reproduction.
The correct answer is option D) "asexual reproduction".
Asexual reproduction of a tree involves the breeding of a new organism using a vegetative part as source, such as a branch, stems, roots, or leaves. Asexual reproduction results in a new organism being genetically identical to its parent, since no cross breeding takes places in this reproduction process.