Leaf need water and minerals and root helps to take it from soil and passes it through stem.
stem also holds leaf in place.
hope this helps
Answer:
Natural selection is the process where organisms that are mostly adapted to their environment survive and pass on their genetic traits in generations.
Answer:
Option-D
Explanation:
Casparian strips are the strips or band composed of a hydrophobic substance called the suberin which forms the ring-like structure in the endodermis of the vascular plants.
The Casparian strips are present around the vascular bundles in the endodermis to allow the uptake of the selective nutrients as the substance has to pass through the cell membrane before it enters the centre of the root or stele or vascular bundles.
The Casparian strips allow the movement of a substance through symplast mode only, therefore, is ensures the substance to pass through the cell membrane.
Thus, Option-D is correct.
Answer:
C
Explanation:
It is positively charged and include most of the atom's mass.