Answer: The answer is D: to allow maximum exposure to light and to reduce shading of lower leaves.
Explanation:
The arrangement of leaves on a Stem is known as Phyllotaxy. It is used to enable them obtain maximum exposure to sunlight.
Leaves are classified as either alternate, spiral or opposite.
Leaves with alternate pattern arise at a different point (node) on the stem. This helps reduce shading of the lower leaves.
1. availableity of the resource
2. the environmental impact of the resource
3. the renewability of the resource
4. the cost of the resource
5. the amount of energy it can produce and of what kind
The dizygotic twins are also known as non-identical twins or fraternal twins. It refers to two siblings, which originate from distinct eggs or ova that are discharged at the similar duration from an ovary and are fertilized by distinct sperm.
As the dizygotic or fraternal twins are two distinct fertilized eggs, they generally give rise to two separate placentas, amniotic sacs, and supporting compositions.