Characteristics of LIFE

An organism made of one cell is called

• unicellular
• multicellular

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Maintaining a stable internal

environment is called

• homeostasis

• equilibrium

• balance

• evenness

Green plants produce their own food through the process of photosynthesis. Which characteristic of life does this represent?

• All living things use energy

• All living things contain cells

• All living things maintain homeostasis

• All living things grow

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A baby song bird hatches from its egg with both parent songbirds watching. Which characteristic of life does this represent?

• All living things reproduce

• All living things maintain homeostasis

• All living things use energy

• All living things grow

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A camel has eyelashes that work to keep the dust and sand out of its eyes. Which characteristic of life does this represent?

• All living things adapt to their environment

• All living things grow

• All living things have cells

• All living things use energy

Rocks are not living because

• they never move
• they aren't needed for humans
• they are not made of cells
• they don't break down

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A worm turns away from light is an example of a worm

• reproducing
• doing cellular respiration
• having cells
• responding to its environment

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Over many hundreds of years, a population of rabbits living in the woods adapts to its surrounding with brown fur. Which characteristic of life does this represent?

• All living things adapt to their environment

• All living things grow

• All living things use energy

• All living things have cells

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When a baby kitten becomes an adult cat, this is an example of...

• energy metabolism
• growth and development
• response to stimuli
• having cells

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Living things are based on a universal genetic

code. What molecule is responsible for that code?

• RNA

• Lipid

• Protein

• DNA

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