True, communication most noticeably so. Transport has too
<span>a. direction in which they carry impulses</span>
Gem amethyst turns purple because of the irradiation with iron. Answer is Iron.
Seed coat-ovary wall association is not correct.
The seed coat originates from the maternal tissue, that is, the integuments. It is one of the three components of a plant seed, in supplementation to the embryo and the endosperm. The aim of the seed coat is to safeguard the seed from temperature-related, physical or water destruction. It is a protective outer covering of the seed.
On the other hand, the ovary wall refers to the wall of the ovary of a flower that ultimately develops into a pericarp or fruit wall.