A physician who specializes in treatment of the gums is called a periodontist.
Answer:
Roots---xylem vessel-- upper parts of plant.
Explanation:
The plant absorb water from hairs present on the roots and taken this water to the xylem vessel that is responsible for transporting water to all parts of the plant body. Water enters in the root through a process is called osmosis until it reached to the xylem vessel. Osmosis is a movement of molecules through a semi-permeable membrane into a region of higher solute concentration in order to equalize the solute concentration.
An organism is an animal with 5 levels of organization/
d. enzymes increase the rate of chemical reaction by providing activation energy to the substrate
Lipids , proteins , nucleus acids, and carbohydrates
