1.Unicellular cells must carry out ___ of life.

A.a single function
B.a few functions
C.all functions
D.specific functions

2. Which statement about multicellular organisms is correct? (1 point)
A. A multicellular organism has many specialized cells.
B.The cells of a multicellular organism must perform all life functions.
C.Every cell of a multicellular organism is responsible for movement.
D.Cells in multicellular organisms can reproduce by binary fission.

3. How does an amoeba compare with a red blood cell? (1 point)
A.They both have pseuopods.
B.An amoeba is responsible for one function, and a red blood cell is responsible for all functions.
C.They are both organisms.
D.An amoeba is responsible for all functions, and a red blood cell is responsible for some functions.

4. Which statement is correct about a euglena and a white blood cell? (1 point)
A. A euglena survives on its own because it completes all life functions.
B.A euglena cannot survive on its own because it is just one cell.
C.A white blood cell cannot survive on its own because it is just one cell.
D.A white blood cell survives on its own because it completes all life functions.

1. All functions

2. A multicellular organism has many specialized cells.
3. An amoeba is responsible for all functions, and a red blood cell is responsible for some functions.
4. A euglena survives on its own because it completes all life functions.

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1. The correct answer is C. all functions.

To understand why, we need to know that unicellular cells are single-celled organisms. Since they are the only cell in their organism, they must carry out all necessary life functions on their own, including obtaining nutrients, reproducing, responding to stimuli, and eliminating waste.

2. The correct answer is A. A multicellular organism has many specialized cells.
To arrive at this answer, we need to understand that multicellular organisms are made up of many cells working together. Each cell in a multicellular organism is specialized to perform specific functions, such as muscle cells for movement, nerve cells for communication, and red blood cells for oxygen transport. Therefore, multicellular organisms have many specialized cells.

3. The correct answer is D. An amoeba is responsible for all functions, and a red blood cell is responsible for some functions.
To compare an amoeba and a red blood cell, we need to understand that an amoeba is a unicellular organism, while a red blood cell is a specialized cell within a multicellular organism. Amoebas are responsible for carrying out all necessary life functions on their own since they are single-celled organisms. On the other hand, red blood cells are responsible for a specific function, which is oxygen transport. Therefore, an amoeba is responsible for all functions, while a red blood cell is responsible for some functions.

4. The correct answer is C. A white blood cell cannot survive on its own because it is just one cell.
To understand this statement, we need to know that a white blood cell is a type of blood cell that plays a crucial role in the immune system. White blood cells are specialized cells found in multicellular organisms, and they cannot survive on their own because they require the support of other cells and systems within the organism to fulfill their functions. Therefore, a white blood cell cannot survive on its own because it is just one cell.