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.
Answer: Solar radiation heats the ocean and causes evaporation. Without this, it could not reach the atmosphere to create clouds or precipitation
The DV is measured for results
Answer: the correct answer may have taken place independently by a variety os species descended from aquatic ancestors.
Explanation:
Scientists think that life started in the oceans as early as 4 to 4.2 billion years ago.
