12 Questions
What is a common evidence some people use to identify if plants are alive?
Being green
Why do some people think plants are alive?
They grow over time
What is one reason why using visible movement as the defining characteristic of life is not enough?
Plants can be still and alive
What characteristic is necessary for life according to professional biologists?
Molecular movements
Why do some consider viruses controversial in the context of being alive?
They don't show visible movement
What makes viruses controversial in terms of being classified as living organisms?
They lack molecular movement
Why do living organisms need to constantly maintain their structures?
To prevent damage and breakdown due to environmental effects
What provides the energy needed for the maintenance processes in living organisms?
Food sources from the environment
Which process involves the transfer of energy from outside the body of an organism to its internal structures?
Nutrition
Why do some organisms use oxidising-reducing reactions as a common means to break down molecules?
To release energy stored in the food sources
What is the role of respiration in living organisms?
To acquire oxygen from the environment and break down food for cellular needs
Why is it important for single-celled organisms to undergo cellular respiration?
To release energy stored in food sources
Explore the characteristics that differentiate living organisms from non-living entities. Learn how observation of behaviors such as breathing, movement, and growth helps us identify life. Understand the distinctions between various living organisms like animals and plants.
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