Question

Single-celled organisms are able to maintain internal stability because they

A) have multiple organ systems
B) work with other cells
C) contain structures that perform life functions
D) carry out photosynthesis to produce food

Answer 1

eliminate B and D, not all single celled organism carry out through photosynthesis , they called singled celled organism and not work with other cell, it's either A and C, single celled organism is not a complex organism. so you can eliminate letter C.

so the best answer is A, although they have multiple organs system to maintain their internal stability.

Answer 2

Single-celled organisms are able to maintain internal stability because they - C) contain structures that perform life functions.

The cell is the structural and functional unit of the cell that performs various cellular functions essential for the life of an organism or a cell. The cell is individually capable of performing all these life functions and maintain homeostasis.

• The cell contains various cellular structures such as ribosomes for the productions of enzymes and various molecules.

• The one cell of a unicellular organism must be able to perform all the functions necessary for life.
• These functions include metabolism, homeostasis and reproduction. Specifically, these single cells must transport materials, obtain and use energy, dispose of wastes, and continuously respond to their environment.

Thus, Single-celled organisms are able to maintain internal stability because they - C) contain structures that perform life functions.

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