Podcast
Questions and Answers
What is often used as a common evidence for being alive?
What is often used as a common evidence for being alive?
- Visible movement (correct)
- Constant sleep
- Inability to breathe
- Lack of growth
Why is visible movement not enough to define life?
Why is visible movement not enough to define life?
- Only animals require movement.
- All living things move constantly.
- Plants do not exhibit movement.
- Some animals can breathe without visible movement. (correct)
What kind of movement occurs at very small scales?
What kind of movement occurs at very small scales?
- Visible Movement
- Molecular Movement (correct)
- Audible Movement
- Large Scale Movement
Why is there a controversy about whether viruses are alive?
Why is there a controversy about whether viruses are alive?
Living organisms are well-organised structures that have?
Living organisms are well-organised structures that have?
What do tissues have?
What do tissues have?
What do cells have?
What do cells have?
The well-organised, ordered nature of living structures is very likely to?
The well-organised, ordered nature of living structures is very likely to?
If order breaks down, what happens to the organism?
If order breaks down, what happens to the organism?
What must living creatures do to maintain their structures?
What must living creatures do to maintain their structures?
What are all structures made up of?
What are all structures made up of?
What must molecules do around all the time?
What must molecules do around all the time?
Even when creatures are sitting, what must go on?
Even when creatures are sitting, what must go on?
What must living creatures keep doing?
What must living creatures keep doing?
What is a characteristic of life that cannot be solely relied upon?
What is a characteristic of life that cannot be solely relied upon?
Why are molecular movements necessary for life?
Why are molecular movements necessary for life?
What is likely to cause living structures to break down?
What is likely to cause living structures to break down?
What happens to molecules in living organisms?
What happens to molecules in living organisms?
What activity defines life processes?
What activity defines life processes?
Flashcards
What are life processes?
What are life processes?
The processes that maintain living organisms, even when they are not actively doing anything.
Living Organism Structures
Living Organism Structures
Living organisms have well-organized structures (tissues, cells, components).
Why Repair and Maintain Structures?
Why Repair and Maintain Structures?
To remain alive, living beings must repair and maintain their structures.
Molecular Movement Importance
Molecular Movement Importance
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Common evidence for being alive?
Common evidence for being alive?
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Study Notes
- Determining if something is alive involves observing characteristics such as movement, breathing, and growth.
- Visible movement is not always a reliable indicator of life, as some plants may not visibly grow, and some animals can breathe without visible movement.
- Molecular movements, though invisible, are considered necessary for life by professional biologists.
- Viruses do not exhibit molecular movement until they infect a cell, contributing to the debate about whether they are truly alive.
- Living organisms have well-organized structures, including tissues, cells, and smaller components.
- These structures are vulnerable to damage from the environment.
- Living creatures must continuously repair and maintain their structures to stay alive.
- The constant movement of molecules is essential for maintaining these structures.
Maintenance Processes
- Living organisms constantly undergo maintenance processes.
- These processes happen even when they are at rest
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