Genetic variety i believe.
The stem has more things to transport that's why it has more vascular bundles. The roots only get water from the ground and moving nutrients from the soil to transfer it to the stem. Having more vascular bundles helps the stems to transfer things to leaves and other parts of the plants.
Answer:
Cell membrane
Explanation:
The cell membrane is a flexible and permeable skin surrounding a cell.
..............4 is D and 6 is A
Throughout their teenage years, children's minds are literally being rewired. Teenagers are unable to comprehend facial expressions or other's emotions which can make it for others to understand them or for them to even understand themselves.
