Single-celled organisms.
The lowest is the Cell
cells
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A living cell is considered the unit of life. Various metabolic activities are carried out by different cell organelles. To perform special functions cell get modified structurally. For example cells providing mechanical support get thickened, those meant for conduction of water and food material change structurally in to xylem and phloem tissues.
Homologous Structures - California LIFE Science Prentice Hall (7th grade)
Organelles.
Unicellular-It is represented by a single cellAll the activities of the organism are performed by a single cell.There is no division of labour as the single cell has to perform all activities.It consumes the single cell.The life span of the in individual is short.Multicellular-It consists of a large number of cells.A single cell performs one or a few activities of the organism.Cells are specialized to perform different functions of the body so that there is division of labour.Some cells called germ cells take part in reproduction. Others remain intact.The life span is long.
The lowest is the Cell
Plant and animal cells include cytoplasm and nucleus. Cytoplasm has several cell organells to perform various activities to support life.
Plant and animal cells include cytoplasm and nucleus. Cytoplasm has several cell organells to perform various activities to support life.
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metabolism
Cells, or atoms . One of those.
they need energy
No, the Muslims are not required to perform Hajj annually. It is obligatory once in life under certain conditions. Anyhow, if a Muslim can perform Hajj every year, it is not prohibited.
The living cells perform all the metabolic functions of an organism to sustain life. The very basic function is respiration to harness the required energy for other biological activities.
Similar tissues working together to preform a life activity are organs.
A cell. Cells are the basic unit of life. Unicellular organisms can perform life tasks on its own, and they are one cell. Multicellular organisims have more than one cell (you and I), and can also perform life tasks.
As cell is capable of interdependently carrying out all necessary activities in our life.