I know how they reproduce . They divid them self up.
Life Sequence was created in 1988.
The fourth level of cell organization is an organ system. The levels of organization are: Cell, Tissue, Organ, Organ system.
animals such as sharks have diffrent levels of structres organization in their bodies. each cell in a multicellular organism does not perform every life function of the organism.
These are the choices, it wouldn't let me put it in the main question. a. brain, spinal cord, organ system, nerve cell nervous tissue b. organ system, population of cells, nervous tissue, brain c. organism, organ system, tissue cell, organ d. nervous system, brain, nervous tissue, nerve cell e. organ system, tissue, molecule, cell
So that the nervous and muscular systems can function properly. Calcium is essential to life, and is used primarily for three things: intracellular cell signaling, muscle cell contraction and nerve cell activity.
Cell --> Tissue --> Organ --> Organ System --> Organism Amino Acid is the building blocks of Cell. Where the cell is the building blocks of LIFE.
Understand that the Main Sequence is not a place or a category that a star belongs to all its life. A star's destiny is controlled by its size and this determines how much time it spends on the Main Sequence.
After the main sequence, a star becomes a red giant.
A eukaryotic cell goes through a series of events in its life cycle, starting with cell division through mitosis or meiosis, followed by cell growth and differentiation. The cell then carries out its specific functions, which may include metabolism, responding to signals, and replication of organelles. Finally, the cell may undergo apoptosis (cell death) or continue its functions until it eventually divides again.
Life?
Main sequence
A main sequence does not do anything - it is just a name for a period in a stars life. [See related question]