by cell division
the stem
Because they wear out and die. If the cells died w/o having reproduced the whole creature would die.
yes for example, a grove of aspen trees will grow from the root of one parent.
Cells evolved from what is often called the primordial slime, and after that they reproduced, and that's where they come from.
B Cells T Cells Erythrocytes (RBCs) Neutrophils (WBCs) (All would not be produced)
plants cells have chloroplast animal cells don't
Garden plants like roses are often reproduced by cloning.
Other prokaryotic cells
Most definitly. Asexually reproduced plants are clones of each others so have no genetic variation. Sexually reproduced planst combine the dominant genes from both the partent plants
Somatic Cells are produced.
4 haploid cells
By the body, naturally, no. What you have is what you have. But with new scientific deelopments like stem cell research, growing specialized cells like brain cells may be possible.
Yes
becuse they made from cells
no
In Bone Marrow, where they replace ones that die in the blood. Dead red blood cells sink to the bottom of the blood vessel where they are "cleaned" (eaten) by special cells.
The same way humans do: cells are reproduced.
in broad terms they are spermatophyte's