6.13AB - Unit Test Review

Tigers, sponges, and whales are all members of the animal kingdom. These organisms are very different but are similar in some ways. Which of the following is a characteristic used to classify these organisms as animals?

• They have fur.

• They eat other living organisms.

• They feed on decomposing organic matter.

• They have cell walls.

Which of the following organisms is most likely a prokaryote?

• A fungus

• An amphibian

• A plant

• A bacterium

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What is the most basic difference between autotrophs and heterotrophs?

• Heterotrophs remain in one place, while autotrophs move around.

• Heterotrophs get nutrition by eating, while autotrophs make their own food.

• Heterotrophs respond to their surroundings, while autotrophs do not.

• Heterotrophs excrete waste products, while autotrophs do not.

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What aspect of cell theory is shown in this image?

• Cells arise from existing cells.

• Only plants are made up out of cells.

• Cells are the basic unit of structure and function in living things.

• Only parts of plants are made up of cells.

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The development of cell theory was begun by scientists who were observing which kind of cell?

• Cork cells

• Onion cells

• Cheek cells

• Cardiac cells

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Tamara studies the living things in a forest ecosystem and classifies an organism as a heterotroph based on what she observes. Which of Tamara's observations would best support identifying it as a heterotroph?

• It needs water to survive.

• It eats insects and mice.

• It lives on the forest floor.

• It is composed of many cells.

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Which pair of words could be used to describe this organism?

• Autotrophic and prokaryotic

• Autotrophic and eukaryotic

• Heterotrophic and eukaryotic

• Heterotrophic and multicellular

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Which terms correctly describe the characteristics of a plant?

• Unicellular, prokaryotic, heterotrophic

• Unicellular, eukaryotic, autotrophic

• Multicellular, prokaryotic, heterotrophic

• Multicellular, eukaryotic, autotrophic

• Multicellular, eukaryotic, heterotrophic

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Based on the evidence, which statement is correct?

• Both the plant and animal are unicellular, but only one is heterotrophic.

• Both the plant and animal are eukaryotic and autotrophic.

• Both the plant and animal are eukaryotic, but only one is autotrophic.

• Both the plant and animal are prokaryotic, but only one is autotrophic.

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What discovery was crucial for the development of the modern cell theory?

• The identification of microorganisms in water.

• The observation of cells in cork by Robert Hooke.

• The invention of the telescope.

• The chemical analysis of DNA.