Biology Cells and Characteristics of Life

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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Maintaining a stable internal

environment is called

• homeostasis

• equilibrium

• balance

• evenness

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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

It is hot outside. You start sweating. In this case, the hot weather is the...

• stimulus
• response
• cause and effect
• responder

When you step out into the cold, your body shivers in order to keep its temperature at 98.6F.

• All living things use energy
• All living things contain cells
• All living things maintain homeostasis
• All living things grow

A camel has eyelashes that work to keep the dust and sand out of its eyes.

• All living things adapt to their environment
• All living things grow
• All living things have cells
• All living things use energy

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A caterpillar hibernates in a cocoon and emerges as a butterfly.

• All living things adapt to their environment
• All living things use energy
• All living things respond to their environment
• All living things grow

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YOU are a multi-celled organism but an amoeba is a single celled organism.

• All living things have cells
• All living things grow
• All living things use energy
• All living things respond to their environment

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