Answer:
A. A cell
Explanation:
Cells are the building blocks of life.
They are the biological units of organisms and are the basic structural and functional units of life.
Cells are the smallest units of life.
Bacteria are the simplest single cells that carry out all basic life activities.
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In order to be classified as a living thing an organism must share or have the characteristics that define for what a living thing is ought to be, can grow and develop, can respond to stimuli in the environment, and more.
The most fundamental are that organisms must be composed of cells, regardless whether that it is prokaryotic and or eukaryotic. All living things must be made of cells.
Answer:
Option A
Explanation:
They belong to the same group of the periodic table. This is because their atoms have the same number of electrons in the highest occupied energy level.
