Questions and Answers
Which concept is best illustrated by the diagram of a single-celled organism?
Bacteria and humans are similar in that they both:
Which statement concerning organism A and organism B is correct?
Which of the following pairs of species are most distantly related?
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Which two organisms are the most closely related?
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Which letter or letters represent an animal that could be a coelenterate?
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Which scientist is correctly paired with his contribution to biological science?
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In the binomial system of nomenclature, which two classification groups provide the scientific name of an organism?
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Which organism in the chart is most distantly related to the other organisms?
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Study Notes
Classification of Organisms
- Single-celled organisms perform essential life functions necessary for survival.
- The life functions of single-celled organisms differ from those of complex multicellular organisms.
- Single-celled organisms, despite lacking complex organs, can thrive in moist environments.
Similarities Between Organisms
- Both bacteria and humans are characterized by the presence of genetic material.
- Not all bacteria are single-celled; humans are multicellular and do not lack cell organelles.
Organism Structures and Life Processes
- Organism A (single-celled) and Organism B (multicellular) both possess structures necessary for carrying out life processes.
- Organism A does not contain organs, but both organisms have mechanisms that support life functions.
Relational Distance Among Species
- The dog and bacteria represent the most distantly related pairs of species in a given comparison.
- Closer relationships are observed among species like humans and dogs or giraffes and squirrels.
Closely Related Organisms
- Based on a classification chart, organisms B (Felis domestica) and C (Canis lupus familiaris) are the most closely related.
- Organisms A (Musca), B (Canis), and C (Felis) belong to the Animalia kingdom but differ in specific classification features.
Coelenterates in the Animal Kingdom
- Animal B, characterized by a saclike cavity, may represent a coelenterate as it possesses both intracellular and extracellular methods of digestion.
- Organism classifications can vary according to their digestive structures and methods.
Contributions to Biological Science
- Carl Linnaeus is known for creating the binomial system of nomenclature to name organisms.
- Other notable scientists are incorrectly paired with unrelated contributions, such as Darwin and the invention of the electron microscope.
Binomial Nomenclature
- The binomial system for naming organisms uses the genus and species classification groups.
- This system provides a unique scientific name that identifies an organism’s specific classification.
Distinctly Related Organisms
- In a classification chart, the plant organism (Organism A) is the most distantly related compared to other animal organisms (B, C, D).
- The classification reveals clear distinctions among kingdoms, highlighting the diversity of life forms.
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Description
Explore the fascinating world of living organisms through this quiz focused on classification and cellular functions. Test your understanding of how single-celled organisms carry out essential life functions compared to more complex organisms. This quiz is designed for students studying biology.
