What is an advantage of a multicellular organism?
A.
Specialized cells perform specific functions.
B.
Smaller cells operate more efficiently.
C.
Different types of cells do not need to communicate.
D.
The cells are simpler.
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Cells are considered the fundamental units of life. Specialized cells perform specialized functions in multi-cellular organisms. Groups of specialized cells combine together to form a tissue. Different tissues are then grouped together to form organs. Each organ has its own specific function which serves the organism as a whole.
In multi-cellular organisms, different systems of the body carry out different functions. For example, digestive system is responsible for taking in and processing food to give energy to the body. Respiratory system is responsible for taking in oxygen and taking out carbon dioxide. The function of the circulatory system is to pump oxygenated blood to all parts of the body and bring back the de-oxygenated blood from all body parts.
In unicellular organisms, a single cell has to do all the tasks. That's why they are very complex. Where as in multi-cellular organisms, cells are simple as each cell has its own specific function to perform.
In multi-cellular organisms, different systems of the body carry out different functions. For example, digestive system is responsible for taking in and processing food to give energy to the body. Respiratory system is responsible for taking in oxygen and taking out carbon dioxide. The function of the circulatory system is to pump oxygenated blood to all parts of the body and bring back the de-oxygenated blood from all body parts.
In unicellular organisms, a single cell has to do all the tasks. That's why they are very complex. Where as in multi-cellular organisms, cells are simple as each cell has its own specific function to perform.
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