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Which of the following is true? A. Eukaryotes can be unicellular or multicellular. B. Eukaryotes do not contain cells. C. Eukaryotes are all unicellular. D. Eukaryotes are all multicellular.
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Amoebae are unicellular organisms that are often found in ponds. An amoeba is shown in the picture below. How do amoebae most likely obtain food? A. Amoebae wrap around and engulf smaller unicellular organisms. B. Amoeba...
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Select the correct word in the passage. Some unicellular organisms can take in food particles directly from the outside environment through phagocytosis. This process is shown in the diagram below. The diagram shows that...
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Select the group of organelles that is common to both plant cells and animal cells. A. cell membrane, mitochondria, cytoplasm B. nucleus, cytoplasm, chloroplasts C. cell wall, cell membrane, mitochondria D. cytoplasm, mi...
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The diagram below compares the structures of an animal cell and a bacterial cell. What is one structure that bacterial cells contain that animal cells do not? A. cell walls B. nuclei C. cell membranes D. mitochondria
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Which of the following structures do all eukaryotic cells contain? A. a chloroplast B. a nucleus C. a flagellum D. a cell wall
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During science class, a group of students went on a field trip to a nearby pond where they collected samples of pond water and pond plants. The students used a microscope to study cells in their samples. They also took s...
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Amoebae are unicellular organisms that are often found in ponds. An amoeba is shown in the picture below. How do amoebae most likely obtain food? A. Amoebae wrap around and engulf smaller unicellular organisms. B. Amoeba...
1 answer
Which of the following structures would normally be found in a plant cell but not in an animal cell? A. vacuoles B. cell membrane C. nucleus D. cell wall
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Select the correct answer from each drop-down menu. All organisms must perform life-sustaining metabolic processes in order to survive. In unicellular organisms, of these processes are performed by that makes up the orga...
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During science class, a group of students went on a field trip to a nearby pond where they collected samples of pond water and pond plants. The students used a microscope to study cells in their samples. They also took s...
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A _______ is an organism whose cells contain complex, membrane-bound structures called organelles. A. nucleus B. vacuole C. eukaryote D. mitochondrion
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Examine the diagram of the cell below. Adapted from image courtesy of Wikipedia What can you conclude about this cell? A. The cell is most likely an animal cell. B. The cell is most likely a human cell. C. The cell is mo...
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Which of the following cell structures is found in plant cells but not in animal cells? A. nucleus B. chloroplast C. cytoplasm D. cell membrane
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Elimination of waste from _______ occurs through a complex system of organs and specialized cells, while elimination of waste from _______ occurs within a single cell. A. an animal; a plant B. an animal; a bacterium C. a...
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Below is a list of functions performed by organisms. Examine the list, then answer the question that follows. gas exchange intake of nutrients disposal of wastes stimulus response reproduction How do these functions comp...
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Which of the following best describes the cell below? A. protist cell B. plant cell C. prokaryotic cell D. eukaryotic cell
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The diagram below compares the structures of an animal cell and a bacterial cell. What is one structure that bacterial cells contain that animal cells do not? A. nuclei B. cell walls C. cell membranes D. mitochondria
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Amoebas are single-celled eukaryotes found in ponds. Amoebas take in oxygen and release carbon dioxide by diffusion across the cell membrane. These gases are transported throughout the cell by the cytoplasm. Based on the...
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A cell is classified as eukaryotic if the cell A. has a cell wall. B. lives in the absence of oxygen. C. contains chloroplasts. D. contains a nucleus.
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Which of the following statements is true regarding bacteria and animal cells? A. A bacterium contains a nucleus, but an animal cell does not. B. An animal cell contains a cell wall, but a bacterium does not. C. A bacter...
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Animals, plants, fungi, and protists are made up of eukaryotic cells, which are cells that A. are organized into complex structures enclosed in membranes. B. always contain several chloroplasts that capture energy. C. do...
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Organisms can be made up of one or many cells. Humans and other animals, which have complex body structures and systems, are made up of many cells. Bacteria are made up of A. hundreds of cells. B. as many cells as a huma...
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Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions. Career Connection: Lani Lazzari How did Lani Lazzari show her investors she was a...
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What are diseconomies of scale?
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