Answer:
The same person before to blood if you have a brother and sister to sure when people have blood it's hard for its .
"The number of growth rings" is by far the best indicator of the age of a woody plant, although it should be noted that there are other ways of indicating age.
I believe group of cells working together and or performing the same task can be categorized also as a specialized tissue.
Because they would need to compete over resources.
