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Questions and Answers
Which characteristic of living organisms involves the intake of materials necessary for energy and growth?
Which characteristic of living organisms involves the intake of materials necessary for energy and growth?
- Respiration
- Nutrition (correct)
- Excretion
- Movement
What is the primary purpose of respiration in living organisms?
What is the primary purpose of respiration in living organisms?
- To respond to stimuli
- To grow in size
- To reproduce
- To release energy for metabolism (correct)
Which characteristic of living organisms describes the ability to detect and respond to stimuli?
Which characteristic of living organisms describes the ability to detect and respond to stimuli?
- Excretion
- Growth
- Movement
- Sensitivity (correct)
Growth in living organisms is characterized by which of the following?
Growth in living organisms is characterized by which of the following?
What does excretion primarily involve in living organisms?
What does excretion primarily involve in living organisms?
Reproduction in living organisms is important because it serves to:
Reproduction in living organisms is important because it serves to:
Which of the following characteristics refers to the ability to detect changes in the environment?
Which of the following characteristics refers to the ability to detect changes in the environment?
What is the process called that involves breaking down nutrient molecules to release energy?
What is the process called that involves breaking down nutrient molecules to release energy?
Which characteristic of living organisms is demonstrated when an organism grows in size?
Which characteristic of living organisms is demonstrated when an organism grows in size?
What is the term used for the process of making more of the same kind of organism?
What is the term used for the process of making more of the same kind of organism?
Which characteristic involves the removal of toxic materials from an organism?
Which characteristic involves the removal of toxic materials from an organism?
Taking in materials for energy, growth, and development refers to which characteristic?
Taking in materials for energy, growth, and development refers to which characteristic?
Which of the following is NOT a characteristic of living organisms?
Which of the following is NOT a characteristic of living organisms?
What does 'movement' in the context of characteristics of living organisms mean?
What does 'movement' in the context of characteristics of living organisms mean?
Which of the following would not be a characteristic seen in all living organisms?
Which of the following would not be a characteristic seen in all living organisms?
Which statement would apply to a plant that is a dicotyledon?
Which statement would apply to a plant that is a dicotyledon?
Which characteristic is commonly associated with living organisms?
Which characteristic is commonly associated with living organisms?
In terms of biological classification, which of the following is most accurate?
In terms of biological classification, which of the following is most accurate?
Which process is essential for energy production in living organisms?
Which process is essential for energy production in living organisms?
What is the main purpose of excretion in living organisms?
What is the main purpose of excretion in living organisms?
Study Notes
Characteristics of Living Organisms
- Movement: Ability of an organism or its parts to change position or place.
- Respiration: Series of chemical reactions breaking down nutrients in cells to release energy for metabolism.
- Sensitivity: Capability to detect and appropriately respond to internal and external stimuli.
- Growth: A permanent increase in size and mass due to either an increase in cell number or cell size, or both.
- Reproduction: Processes through which organisms produce more of their own kind.
- Excretion: Removal of toxic substances and waste products from metabolism.
- Nutrition: Intake of materials necessary for energy, growth, and development; plants require light, carbon dioxide, water, and ions, while animals consume organic compounds, ions, and water.
Exam Tip
- Use the mnemonic MRS.H.CIE to remember the characteristics of living organisms.
Classification of Organisms
- Organisms can be organized and classified based on their unique characteristics.
- Key subtopics include:
- Features of organisms
- Classifying animals
- Classifying plants
- Understanding viruses
- Using dichotomous keys for classification
Exam Questions Sample
- Identification of non-characteristics in living organisms (example: Photosynthesis is not seen in all living organisms).
- Features distinguishing dicotyledon plants, such as reticulated leaf veins and floral structures.
Important Definitions
- Dichotomous keys: Tools used to identify organisms based on a series of choices that lead to the correct identification.
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Description
Test your knowledge on the fundamental characteristics that define living organisms. This quiz covers essential concepts such as movement, respiration, sensitivity, growth, reproduction, excretion, and nutrition. Use the mnemonic MRS.H.CIE to help you remember these key traits!
