Number of Cells in Organisms Categorization

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Questions and Answers

What is the term for organisms composed of a single cell?

Monocellular (correct)
Pluricellular
Macroscopic
Multicellular

What is the term for the phenomenon of having a fixed number of cells in some multicellular organisms?

Eutely (correct)
Mitosis
Metamorphosis
Eutrophy

Which of the following organisms is unicellular?

Human
Elephant
Rose plant
Amoeba (correct)

In which organisms does mitosis stop during embryonic development?

Rotifers and nematodes (B) Signup and view all the answers

Which tissue in humans contains approximately 30 trillion corpuscles?

Blood (vascular tissue) (D) Signup and view all the answers

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. Signup and view all the answers

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. Signup and view all the answers

How many corpuscles are found in the blood (vascular tissue) of a human?

Approximately 30 trillion corpuscles. Signup and view all the answers

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. Signup and view all the answers