Characteristics of Life

Pick the true statement about cellular organization:

• cells working together make tissues
• cells working together make organs
• tissues working together make organ systems
• organs working together make cells

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What is the most basic unit of life?

• cell
• tissue
• organ
• organ system

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A _____ is something in the environment that causes an organism to respond.

• stimulus
• response
• cause
• effect

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Which of these is not true about all organisms?

• all living things have many cells
• all living things need water
• all living things respond to stimuli
• all living things reproduce

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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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Which kind of living things have DNA in their cells?

• producers
• consumers
• decomposers
• Trick question! All living things have DNA in their cells 

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Living things are made up of units called

• DNA

• Cells

• Homeostasis

• Seeds

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If an organism is made entirely of one cell it is called...

• Multicellular

• Prokaryotic

• Unicellular

• Eukaryotic

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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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A baby song bird hatches from its egg with both parent songbirds watching.

• All living things reproduce
• All living things maintain homeostasis
• All living things use energy
• All living things grow

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