Comparing Organisms

Which of the following correctly describes a eukaryotic cell?

• A. It lacks a nucleus and membrane-bound organelles.

• B. It contains a nucleus and membrane-bound organelles.

• C. It’s always unicellular.

• D. It always undergoes photosynthesis.

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NGSS.MS-LS1-2

Which characteristic is shared by both prokaryotic and eukaryotic cells?

• The presence of a nucleus.

• The presence of a cell membrane.

• The presence of chloroplast.

• The ability to reproduce sexually.

Which is the best evidence to support that broccoli is autotrophic?

• A. It’s a eukaryote.

• B. It’s multicellular.

• C. It makes its own food through photosynthesis.

• D. It gets its energy by consuming other organisms.

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NGSS.MS-LS1-6

Which of the following best describes a multicellular organism?

• A. They’re composed of a single cell that performs all life functions.

• B. They can only be seen under a microscope.

• C. They’re composed of cells without membrane-bound organelles.

• D. They’re composed of multiple cells, with various specialized cells to perform specific functions.

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NGSS.MS-LS1-1

NGSS.MS-LS1-3

Hotspot: Follow the directions below to answer the question fully. Carefully observe the diagram below and identify how the autotrophs and heterotrophs are identified.

• Autotrophs are marked with a star, and heterotrophs with a circle.

• Autotrophs are marked with a circle, and heterotrophs with a star.

• Both autotrophs and heterotrophs are marked with a circle.

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NGSS.MS-LS1-6

Choose the best explanation how the autotrophic and heterotrophic classifications of organisms in this woodland scene contribute to the flow of energy within this ecosystem.

• Autotrophs produce energy through photosynthesis, while heterotrophs consume other organisms for energy, both contributing to the energy flow in the ecosystem.

• Autotrophs consume other organisms for energy, while heterotrophs produce energy through photosynthesis, both contributing to the energy flow in the ecosystem.

• Both autotrophs and heterotrophs produce energy through photosynthesis, contributing to the energy flow in the ecosystem.

• Neither autotrophs nor heterotrophs contribute to the energy flow in the ecosystem.

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NGSS.MS-LS1-6

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Which of the following are characteristics that identify prokaryotic cells? Select ALL that apply.

• lack of nucleus

• presence of ribosomes

• DNA located in a nucleoid region

• presence of mitochondria

Which organism(s) can be classified as eukaryotes? Select ALL that apply.

• plants

• bacteria

• animals

• fungi

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NGSS.MS-LS4-2

Which of the following are characteristics of autotrophic organisms? Select ALL that apply.

• They’re always multicellular.

• They rely on other organisms for food.

• They can be either prokaryotes or eukaryotes.

• They can make their own food using sunlight.

Which of the following is an example of a prokaryotic organism and a eukaryotic organism, and what is the primary difference between their cells?

• Bacteria and Amoeba; Prokaryotic cells lack a nucleus, while eukaryotic cells have a nucleus.

• Yeast and Virus; Prokaryotic cells have a nucleus, while eukaryotic cells lack a nucleus.

• Fungi and Algae; Prokaryotic cells have membrane-bound organelles, while eukaryotic cells do not.

• Protozoa and Archaea; Prokaryotic cells are larger than eukaryotic cells.