5L1.1 Single Celled Vs Multi Celled Organisms

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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Which organism performs all life processes in one cell?

• grass
• bacteria
• mushroom
• butterfly

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Which organisms are capable of surviving as a single cell?

• bacteria
• humans
• plants
• fish

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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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Molly is reading a book in science class. She reads one sentence that says, “This organism is capable of surviving as a single cell.” Which organism is she most likely reading about?

• amoeba
• flower
• mushroom
• insect

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Why do humans require many different types of cells to survive?

• Human cells are identical and work together to perform the same function.
• Human cells are specialized and work together to perform the same function.
• Human cells are identical and work independently to perform different functions.
• Human cells are specialized and work independently to perform different functions.

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Which is the best way to classify grasshoppers?

• Grasshoppers are multi-celled organisms because they are made up of one cell that carries out all of their life processes.
• Grasshoppers are single-celled organisms because they are made up of one cell that carries out all of their life processes.
• Grasshoppers are single-celled organisms because they are made up of many cells that carry out all of their life processes.
• Grasshoppers are multi-celled organisms because they are made up of many cells that carry out all of their life processes.

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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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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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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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