Review Unit 1 (Characteristics of Life and Cells)

All living things are made up of "Building Blocks" called

• DNA

• Cells

• Homeostasis

• Seeds

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

• Multicellular

• Prokaryotic

• Unicellular

• Eukaryotic

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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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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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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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Which of the following is the smallest unit of life that is/does the characteristics of life?

• the mitochondria

• the vacuoles

• the nucleus

• the cell

What is the function of the cell nucleus found in both plant and animal cells?

• to produce energy
• to control cell activity
• to remove waste products
• to allow molecules to enter the cell

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Which cell structure is found in plant and animals cells and controls what can come into or leave a cell?

• cell membrane
• cytoplasm
• nucleus
• vacuole

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Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do. What is the main function of the chloroplasts found in plant cells?

• to make food for the plant cell

• to remove waste materials by active transport

• to manufacture chemical energy from food

• to control the shape of the cell