D all of the above. A monomer is simply a part of the total thing, being a polymer.
Because the target cells have the correct attachment for the hormone cells. For example, when you have a remote control you place the battery in the correct position to operate. Same way with hormones, they're wired to work with a certain type of cell because of how they work.
In pollination, the brightly coloured petals and external agents like wind,water,air and insects are involved. But, in fertilization the male reproductive organs and the female reproductive organs are involved (I.e. stamen and the stigma).
Chordata.
(Animals with spinal nervous cord)
Animals cant come under plants, can they?
And as well animals cant be under a non chordata because animals have spinal cords.
A military post I believe? If wrong correct me please
