Answer:
The correct answer is option C. gibberellin.
Explanation:
Gibberellin is a type of fungal and plant growth hormone. Gibberellin is one of five main groups of plant hormones.
Gibberellin has different functions and roles in plant growth and regulation such as stem elongation, stem germination, fruit ripening, and flowering.
The gibberellin acid class of hormones has been commonly used in the control of flowering in several species by the florist,
Thus, the correct answer is option C.
Answer:
Parabolic dunes
Explanation:
A parabolic dune is a U-shaped mound of sand. The tips point upwind because they are anchored by vegetation.
A is wrong. The tips of a barchan dune point downwind
C is wrong. A longitudinal dune is parallel to the prevailing wind.
D is wrong. The ridge of a transverse dune is perpendicular to the prevailing wind.
It is Guard Cells I think
The germ layers develop early inembryonic life, through the process of gastrulation. During gastrulation, a hollow cluster of cells called a blastula reorganizes into two primary germ layers: an inner layer, called endoderm, and an outer layer, called ectoderm.
The remains of an animal or plant preserved within a layer of rock.