Uni/Multi/Levels of Organization Practice

Which best describes the main job of most cells in multicellular organisms?

• Cells work to keep themselves alive.
• Cells work to keep the organism alive.
• Cells work to release needed materials.
• Cells work to store unneeded materials.

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NGSS.MS-LS1-3

Which organism performs all life processes in one cell?

• grass
• bacteria
• mushroom
• butterfly

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NGSS.MS-LS1-1

Which best explains why humans are multicellular organisms?

• Human cells are too small to function alone.
• Human cells join together to form one large cell.
• Humans need many cells to carry out life processes.
• Humans have many systems that perform the same function.

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NGSS.MS-LS1-1

NGSS.MS-LS1-3

Which statement best describes a bacterial cell?

• It contains more than one cell.
• It is a complete organism.
• It is part of a larger organism.
• It contains different kinds of cells.

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NGSS.MS-LS1-1

How are single-celled organisms and multi-celled organisms similar?

• Both need food for energy and growth.
• Both have a skeletal system for support.
• Both require the interaction of many cells to survive.
• Both are able to carry out all life functions in only one cell.

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NGSS.MS-LS1-1

Which is a difference between frogs and bacteria?

• Frogs are able to control all life processes in one cell, while bacteria cannot.
• Frogs are single-celled organisms, while bacteria are multi-celled organisms.
• Frogs are multi-celled organisms, while bacteria are single-celled organisms.
• Frogs must rely on other single-celled organisms for survival, while bacteria are dependent only on themselves.

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NGSS.MS-LS1-1

A scientist is trying to decide whether an organism is unicellular or multicellular.  Which information would help the scientist most to make her decision?

• size of the cells of the organism
• what the organism eats
• how many types of cells are in the organism
• how fast the organism grows

Tags

NGSS.MS-LS1-1

Which is an example of a multicellular organism?

• bacteria
• bear
• algae
• yeast

Tags

NGSS.MS-LS1-1

Which characteristics do single-celled organisms and multi-celled organisms have in common?

• Both have cells with specialized functions for each 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.

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NGSS.MS-LS1-3

When a group of organs work together to perform a particular function they create a/an

• organ system
• organism
• tissue
• organ

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NGSS.HS-LS1-2