Tap root.
"Cell" From unicellular to colonial and than filamentous forms
ecosystem .
Chordata
The plant has two systemsthe shoot systemthe root systemThe shoot system is made up of stems, leaves, flowers and fruits that are found above the ground level.The root system is made up of the roots that are found below the ground level.
The fourth level of cell organization is an organ system. The levels of organization are: Cell, Tissue, Organ, Organ system.
Circulatory system
The organ system level is the fourth and highest level of organization in a multicellular organism. At this level, multiple organs work together to carry out specific functions, such as the circulatory system or digestive system.
an Organ System
The layered organization of a system is actually very interesting. At each level there is a particular task or band.
Root.
root directory
Because there are multiple root level servers no one person or organization controls the DNS for the world. It is also a distributed system so this would not be possible.
=>refers to the level of abstraction above the digital logic level, but below the operating system level. computer organization was created by William salvatiera jr.
Animal kingdom
tissues, organs, and organ system
cell, tissue, organ, organ system, organism