객관식
Which term best describes an organism that obtains its energy by consuming other organisms?
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1. Introduction to Biology
Characteristics of Life
객관식
Humans, plants, and mushrooms are all considered living organisms. Which of the following characteristics do they all share?
A
They reproduce only by binary fission.
B
They all lack a nucleus in their cells.
C
They all perform photosynthesis.
D
They are composed of one or more cells.
검증된 단계별 안내1
Understand the question: The problem asks us to identify a shared characteristic among humans, plants, and mushrooms, which are all living organisms.
Review the options provided: (1) Reproduce only by binary fission, (2) Lack a nucleus in their cells, (3) Perform photosynthesis, and (4) Composed of one or more cells.
Analyze each option: (1) Binary fission is a form of asexual reproduction seen in prokaryotes like bacteria, not in humans, plants, or mushrooms. (2) Lacking a nucleus is a characteristic of prokaryotic cells, but humans, plants, and mushrooms are eukaryotes, meaning their cells have a nucleus. (3) Photosynthesis is specific to plants and some protists, but not humans or mushrooms.
Focus on the correct option: (4) All living organisms, including humans, plants, and mushrooms, are composed of one or more cells. This is a fundamental characteristic of life as defined by cell theory.
Conclude: The correct shared characteristic is that humans, plants, and mushrooms are all composed of one or more cells, which aligns with the principles of cell theory in biology.
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