SC 6 L 14 2

Scientific theories are based on

• general assumptions of how systems work.

• mathematical principles that can be proven true.

• large amounts of data collected over time.

• observations from within only one scientific discipline.

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NGSS.MS-LS1-5

Which of these can change when new evidence is presented?

• theory

• law

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NGSS.HS-ESS1-2

NGSS.HS-LS4-1

NGSS.HS-LS4-2

Which of the following best describes where a skin cell comes from based on cell theory?

• it depends on the individual organism

• an organ system

• the skin cell must be made in a laboratory

• another skin cell

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NGSS.MS-LS1-1

Which of the following is an example of something that is made of cells?

• flower

• sock

• ball

• television

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NGSS.MS-LS1-1

Select the statement that accurately summarizes what it means to say that cells are the "basic unit" of life.

• Cells are made of molecules and atoms.

• Cells can be broken down into smaller living parts.

• Cells are the smallest part of organisms that are alive.

• Cells can divide to make new cells in all organisms.

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NGSS.MS-LS1-2

What is the smallest structure that can carry out all the functions that are required for life?

• a single cell

• a group of molecules

• a group of cells

• a single atom

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NGSS.MS-LS1-1

Which statement below is correct according to the cell theory?

• All cells are round.

• All cells in an organism are identical.

• All organisms are unicellular.

• All cells come from pre-existing cells.

What is the primary reason cells undergo cellular respiration?

• to get rid of wastes

• to create energy from the sun

• to supply plants with carbon dioxide

• to convert food to useable energy

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NGSS.MS-LS1-2

What is an organism

• any living thing

• the smallest living unit of an organism

• cell theory

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NGSS.MS-LS1-1

NGSS.MS-LS1-2

What is a cell?

• any living thing

• the smallest living unit of an organism (basic unit of life)

• cell theory

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2