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Which best explains why both cats and humans are multicellular organisms?

• They get energy from many food sources.

• They get energy from a single food source.

• They need only one cell to meet their basic needs.

• They need many cells working together to meet their basic needs.

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NGSS.MS-LS1-3

Which best explains how a single-celled organism can survive without other cells?

• They do not need any substance from outside of the cell.

• They are able to perform all necessary functions within one cell.

• They do not need to perform more than one function to survive.

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NGSS.MS-LS1-2

Fungi and bacteria are both single-celled organisms. What do they most likely have in common?

• Both fungi and bacteria are large organisms.

• Both fungi and bacteria can carry out all life functions in their one cell.

• Both fungi and bacteria need sunlight and nutrients from the soil to be able to grow.

• Both fungi and bacteria are highly specialized to do only one job so they must work with other cells to obtain food.

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NGSS.MS-LS1-1

How do bacteria control their life processes?

• Bacteria control their life processes within multi-cells.

• Bacteria control their life processes within a single cell.

• Bacteria work with other cells to control all their life processes.

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NGSS.MS-LS1-1

NGSS.MS-LS1-2

Identify an example of each of the three states of matter present when the candle is burning.

• The hard wax of the candle

• Liquid

• The fire/flame

• Solid

• The melting wax

• Gas

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NGSS.MS-PS1-2

NGSS.MS-PS1-4

List the steps of the scientific method

d

e

f

c

b

a

Analyze results

Draw conclusions

Conduct experiment

Form a hypothesis

Ask a question

Communicate results

When a thin slice from an onion is viewed through a microscope, lots of little box-like shapes are seen. These shapes are MOST likely

• atoms

• dust

• cells

• bubbles

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NGSS.MS-LS1-1

NGSS.MS-LS1-2

A single-cell organism can do everything a cell from a multicellular organism can do EXCEPT

• specialize.

• reproduce

• use energy

• make protein

Which organism is single-celled?

• bacteria

• tree

• dog

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NGSS.MS-LS1-1

Which characteristic do single-celled organisms and multicellular organisms have in common?

• Both have cells with specialized functions for each life process.

• Both perform all life processes within one cell.

• Both have a way to get rid of waste materials.

• Both are able to make food from sunlight.