This hormone can be used to increase sugar cane yields.

This hormone induces senescence of leaves and flowers, DIRECTLY.

What term is used for the situation where leaves are growing pointing downward because the cells on the upper side of the leaf petiole (stem) are growing faster than the cells on the lower side of the petiole?

Phytochrome is both a pigment and, in its active form, what kind of enzyme?

It is considered to be the warmest ocean:

Diatoms always reproduce asexually, regardless of their size.

The study of the distribution of organisms in geographic space is called: 

Represents the movement of organisms from one location where they feed, vs the location where they reproduce: 

Auxin can be transported through the plant either by polar transport or by the vascular tissue system.  Which of the following statements is true about these methods of auxin transport?

These hormones are synthesized from amino acids.