Why Do Cells Divide?

All living things are made of _____

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NGSS.MS-LS1-1

What are the 3 reasons why cell divide?

**no commas and no "and" **

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NGSS.MS-LS1-5

NGSS.MS-LS3-2

When the cells of an organism divide,

the number of cells in the organism _______, making the organism ______.

• increases; bigger

• increases; smaller

• decreases; bigger

• decreases; smaller

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NGSS.MS-LS1-1

As a cell becomes bigger, the volume of the cell

_______.

In order to repair damaged or dead cells, cells _____ to replace them.

• divide

• shrink

• devise

• conquerf

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NGSS.HS-LS1-4

When you get a cut on your skin, your skin cells ______ to make new

cells that _______ the cells that were damaged or broken.

• multiple, reproduce

• divide, repair

• multiple, divide

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NGSS.MS-LS1-3

_______ _________ is the process of unicellular organisms dividing in half to produce offspring identical to the parent.

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NGSS.MS-LS3-2

Some organisms use a special form of cell division to form sex cells or

_______ which are needed for ______ reproduction.

• zygotes; sexual

• gamates; sexual

• gamates; asexual

• zygotes; asexual

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NGSS.MS-LS3-2

Match the following: 3 reasons why cells divide

• cells of an organism divide,

  number of cells in the organism increases, making the organism bigger

• Growth

• Cells make more copies of themselves to replace damaged or dead cells.

• Repair

• Cell division is important to reproduction - the production of an offspring.

• Reproduction

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NGSS.MS-LS3-2

What happens during cell division?

• A cell makes a copy of itself

• A cell creates a virus

• A cell expels organelles from inside itself

• A cell gets bigger