9 Questions
What is the term for organisms composed of a single cell?
Monocellular
What is the term for the phenomenon of having a fixed number of cells in some multicellular organisms?
Eutely
Which of the following organisms is unicellular?
Amoeba
In which organisms does mitosis stop during embryonic development?
Rotifers and nematodes
Which tissue in humans contains approximately 30 trillion corpuscles?
Blood (vascular tissue)
Explain the difference between unicellular and multicellular organisms based on the number of cells.
Unicellular organisms are composed of a single cell, while multicellular organisms consist of numerous cells.
What is eutely and give an example of organisms that exhibit this phenomenon?
Eutely is the phenomenon of having a fixed, genetically constant number of cells. Rotifers and nematodes are examples of organisms exhibiting eutely.
How many corpuscles are found in the blood (vascular tissue) of a human?
Approximately 30 trillion corpuscles.
Explain the concept of having a fixed number of cells in multicellular organisms.
Some multicellular organisms have a fixed number of cells, where mitosis stops during embryonic development.
Learn about how organisms are categorized based on the number of cells they have. Explore the differences between unicellular organisms like Amoeba and multicellular organisms like higher plants and animals. Understand how the number of cells is related to the size of the body.
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