Characteristics of Life Biology

How many characteristics of life must an organism exhibit to be considered a living thing?

• 1

• 3

• All of them

• None of them

What is one characteristic of life that all living things exhibit?

• Every living thing changes and grows.

• All living things can fly.

• Every living thing is green in color.

• All living things can live without water.

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What is metabolism in the context of living organisms?

• The process of breathing and respiration in organisms.

• The sum of all chemical reactions that occur within an organism.

• The ability of an organism to reproduce and grow.

• The mechanism by which organisms respond to environmental changes.

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What is evolution in the context of biology?

• The process by which organisms develop new traits in a single generation.

• The change in the heritable characteristics of biological populations over successive generations.

• The method by which species become extinct over time.

• The phenomenon of organisms adapting to their environment without genetic change.

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What is the importance of adaptation in living organisms?

• Adaptation allows organisms to survive and reproduce in their environments.

• Adaptation is a process that makes organisms weaker in their habitats.

• Adaptation has no significant impact on the survival of species.

• Adaptation is only important for plants, not animals.

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What is the role of stimuli in the life of an organism?

• Organisms respond to stimuli from their environment to survive.

• Stimuli are irrelevant to an organism's survival.

• Stimuli only affect the physical appearance of organisms.

• Organisms ignore stimuli to maintain homeostasis.

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What do we call organisms that are made up of multiple cells?

• Unicellular organisms

• Multicellular organisms

• Prokaryotic organisms

• Eukaryotic organisms

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What is the significance of DNA in living organisms?

• DNA is responsible for energy production in cells.

• DNA carries genetic information essential for growth, development, and reproduction.

• DNA helps in the digestion of food.

• DNA is involved in the synthesis of proteins only.

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What is the basic unit of life?

• Atom

• Molecule

• Cell

• Tissue

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Which experiment best demonstrates the growth characteristic of life?

• Measuring the increase in height of a seedling over time.

• Observing the color change in leaves during autumn.

• Counting the number of flowers on a plant.

• Recording the temperature of soil over a month.

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