Characteristics of Organisms

Which type of cell does not have a nucleus?

• Eukaryotic

• Prokaryotic

• Multicellular

• Autotrophic

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What is the main difference between unicellular and multicellular organisms?

• Number of cells

• Type of food

• Shape of the cell

• Color of the organism

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Which organisms make their own food using sunlight?

• Heterotrophic

• Autotrophic

• Multicellular

• Prokaryotic

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Which of the following is an example of a eukaryotic cell?

• Bacterium

• Plant cell

• Virus

• Archaea

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What term describes an organism that must consume other organisms for food?

• Autotrophic

• Heterotrophic

• Prokaryotic

• Unicellular

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Which of the following is unicellular?

• Human

• Oak tree

• Amoeba

• Dog

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Which group includes only multicellular organisms?

• Bacteria

• Fungi

• Animals

• Protists

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Which of the following is a basic characteristic of prokaryotic cells?

• Have a nucleus

• Lack a nucleus

• Have mitochondria

• Are always multicellular

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Which of the following best describes a heterotrophic organism?

• Makes its own food

• Consumes other organisms for energy

• Has a cell wall

• Is always unicellular

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A student observes a cell under a microscope and notices it has no nucleus. What type of cell is it most likely to be?

• Eukaryotic

• Prokaryotic

• Multicellular

• Autotrophic

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