Amoeba is a multicellular organism.
State whether the above statement is true or false.
A. True
B. False
Answer
522.3k+ views
Hint: All the living things that are around us are made up of cells. The one's which are made from a number of cells are termed as multicellular organisms. Amoeba, being the smallest organism, has the ability to alter its shape by extending its pseudopodes.
Complete answer:
All the living things are made up of cells. There are many that consist of only one cell. These organisms are called unicellular organisms. One of the simplest species is an amoeba. Amoebas (sometimes spelled amebas or amoebae) are too small to be seen without a microscope, and are commonly found in ponds and lakes. Amoebas are characterized by their flowing movements, considered to be the most primitive form of animal locomotion, or movement.
Amoeba is found in the freshwater ponds, pools, ditches and streams having green vegetation. Amoeba's single cell appears to be held by cytoplasm in a flexible cell membrane. Floating in this cytoplasm, several kinds of cell bodies can be found. The most easily identified is the nucleus.
Thus, the above statement is false. Hence, option B is correct.
Additional information:
UNIQUE FEATURES OF AMOEBA:
It is an irregular shape with simple or branched pseudopodia.
Body is covered by a thin delicate and permeable plasma membrane called plasmalemma.
plasmalemma encloses cytoplasm and nucleus.
Cytoplasm is further distinguished into outer ectoplasm and inner endoplasm.
Nucleus has a nuclear membrane surrounding the nucleoplasm containing the nucleolus.
Many food vacuoles are present.
Reproduction by binary fission which is irregular.
Note:
Some multicellular organisms have amoeboid cells only in certain phases of life, or use amoeboid movements for specialized functions. They are also present in the immune system of humans and other animals, white blood cells which pursue invading organisms, such as bacteria and pathogenic protists, and engulf them through the process of phagocytosis.
Complete answer:
All the living things are made up of cells. There are many that consist of only one cell. These organisms are called unicellular organisms. One of the simplest species is an amoeba. Amoebas (sometimes spelled amebas or amoebae) are too small to be seen without a microscope, and are commonly found in ponds and lakes. Amoebas are characterized by their flowing movements, considered to be the most primitive form of animal locomotion, or movement.
Amoeba is found in the freshwater ponds, pools, ditches and streams having green vegetation. Amoeba's single cell appears to be held by cytoplasm in a flexible cell membrane. Floating in this cytoplasm, several kinds of cell bodies can be found. The most easily identified is the nucleus.
Thus, the above statement is false. Hence, option B is correct.
Additional information:
UNIQUE FEATURES OF AMOEBA:
It is an irregular shape with simple or branched pseudopodia.
Body is covered by a thin delicate and permeable plasma membrane called plasmalemma.
plasmalemma encloses cytoplasm and nucleus.
Cytoplasm is further distinguished into outer ectoplasm and inner endoplasm.
Nucleus has a nuclear membrane surrounding the nucleoplasm containing the nucleolus.
Many food vacuoles are present.
Reproduction by binary fission which is irregular.
Note:
Some multicellular organisms have amoeboid cells only in certain phases of life, or use amoeboid movements for specialized functions. They are also present in the immune system of humans and other animals, white blood cells which pursue invading organisms, such as bacteria and pathogenic protists, and engulf them through the process of phagocytosis.
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