The extermination of the dinosaurs, the start of a rise to dominance of mammals and a meteorite effect in mexico marks the boundary among the mesozoic and the cenozoic or as named as the k-p boundary. In addition, the cretaceous paleogene (K–Pg) boundary which is previously recognized as the cretaceous tertiary (K–T) boundary is a geological signature typically a thin band of rock.
They occurred in industrialized areas.
Answer: Height is controlled by more than one gene
Explanation:
Polygenic = multiple-gene inheritance. If you break it down into it's roots poly = many and gen = gene, which literally translates to many genes.
The stem supports the plant and because of the stem the plant is able to grow taller if needed