As a tree goes into dormancy, its leaves change color. what causes this change in color?
the tree makes extra chlorophyll.
the tree stops making chlorophyll.
the tree produces extra hormones.
the tree stops producing hormones.

The tree stops making chlorophyll.

The leaves begin to stop making food due to the changing cold temperatures in the fall. This leads them to stop making the necessary chlorophyll needed in leaves. The absence of the chlorophyll gives the leaves their color.

hey bro i looked it up on google the structure of the eye-spot in euglena viridie, e. ehrenbergii, and phacus pyriyorme is not as franzé haa described it. the so-called “crystal body” and “lens bodies” were not found in any of the individuals of the species examined by me. as earlier observers have stated, the eye-spot consists simply of a mass of pigment granules arranged in a single layer, and probably embedded in a protoplasmic framework, but the latter could not be seen, and its presence was only inferred from the fact that the pigment granules must be held together in some way, thd the eye-spot as a whole is capable of expansion, and that the pigment granules can be separated from each other.

hope this   and an i get brainlsiest

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;