ORGANISMS TEST

A unicellular organism is BEST described as being

• a complex organism.

• a microorganism.

• an organism with specialized cells.

• an organism with different types of tissues.

Tags

NGSS.MS-LS1-1

Which of these is a structure that is present in all organisms?

• tissue

• cell

• stomach

• brain

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NGSS.MS-LS1-1

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

• specialize

• reproduce

• use energy

• make protein

Which BEST describes ALL unicellular organisms?

• Every cell is round.

• Every cell can make food.

• Every cell can move on its own.

• Every cell performs all life functions.

Tags

NGSS.MS-LS1-2

Which lists examples of single-celled organisms?

• minnow, bass, trout

• beetle, mosquito, tick

• worm, caterpillar, snake

• amoeba, protozoa, bacteria

Why are multicellular organisms called complex systems?

• One cell performs specialized jobs to sustain life.

• Many cells perform specialized jobs and all must work together to sustain life.

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NGSS.MS-LS1-3

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

• Both perform all life processes within one cell.

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

• Both are able to make food from sunlight.

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

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 best describes a function of both multi-celled and single-celled organisms?

• to create specialized tissues

• to rely on specialized cells to complete certain tasks

• to obtain energy from nutrients to maintain life and growth

• to rely on one cell to perform all life processes

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NGSS.MS-LS1-6

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Which organisms are capable of surviving as a single cell?

• plants

• cats

• bacteria

• elephants

Tags

NGSS.MS-LS1-1