The unit of life is:
Correct answer: D. Cell
- A. An organelle
- B. Atom
- C. Subatomic particle
- D. Cell
Explanation
The correct answer is "cell," as cells are the fundamental units of life that compose all living organisms. Each cell functions independently and is capable of performing vital life processes. The other options are incorrect because:An organelle is a part of a cell, not the basic unit of life.An atom refers to the smallest unit of matter, which is not alive.A subatomic particle refers to components of atoms, which also do not exhibit life.
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About Introduction to Biology
Biology is divided into fields such as botany, zoology, microbiology, genetics, ecology, physiology and biotechnology, each focusing on a different aspect of life. Levels of biological organization progress from atoms and molecules through organelles, cells, tissues, organs and organ systems to organisms, populations, communities, ecosystems and the biosphere.
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