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Semester Exam Review Day 3

Quiz by Katherine Oneal

Grade 7
Science (2017)
Texas Essential Knowledge and Skills (TEKS)

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Measures 6 skills from
Grade 7
Science (2017)
Texas Essential Knowledge and Skills (TEKS)

7.5b
7.5a
7.7b
7.7a
7.13a
7.13b

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36 questions
Show answers
  • Q1

    The flow of energy in some Australian food chains is modeled in the energy pyramid below. Based on the model, which consumers would receive the greatest amount of energy captured by the producers in their food chains?

    Question Image

    Chuditch

    Wedge-tailed eagles

    Eucalyptus trees

    Ring-tailed opossums

    30s
    7.5b
  • Q2

    Which BEST explains the importance of nitrogen in the cycling of energy and matter?

    Nitrogen increases the effectiveness of photosynthesis

    Nitrogen increases protein production in plants.

    Nitrogen decreases protein production in plants.

    Nitrogen decreases the effectiveness of photosynthesis

    30s
    7.5b
  • Q3

    Where do plants get most of the energy they need to live and grow?

    soil

    water

    air

    sunlight

    30s
    7.5b
  • Q4

    In a food pyramid, which BEST explains why the number of organisms decreases from one trophic level to the next?

    Consumers at the top level require more energy than the lower-level consumers.

    The consumers are feeding on larger organisms that have less energy.

    The consumers are feeding on smaller organisms that have less energy.

    Consumers at the lower level require more energy than the top-level consumers.

    30s
    7.5b
  • Q5

    Consider this food web: Where is the largest amount of energy found in this food web?

    Question Image

    grasshopper

    mouse

    grass

    hawk

    30s
    7.5b
  • Q6

    An energy pyramid is shown. Which sentence best describes how energy flows through this pyramid?

    Question Image

    The organisms at the bottom level provide energy directly to organisms in all the other levels.

    The energy lost at each level is consumed by organisms in the top level.

    Energy is transferred down each level of the energy pyramid.

    Energy is transferred from organisms in one level to those in the level above.

    30s
    7.5b
  • Q7

    The chart lists organisms in five different categories living near the Texas Gulf Coast. Based on the chart, which food chain best models a flow of energy in this ecosystem?

    Question Image
    Answer Image
    Answer Image
    Answer Image
    Answer Image
    30s
    7.5b
  • Q8

    The flowchart below represents the process of photosynthesis. One step in the process is labeled X. Which activity occurs at X?

    Question Image

    Animals breathe out carbon dioxide.

    Plants are eaten by animals for food.

    Carbon dioxide and water are used to make sugar

    Plants release water into the soil.

    30s
  • Q9

    An organism that contains chloroplasts is able to produce food by the process of

    digestion

    photosynthesis

    respiration

    reproduction

    30s
    7.5a
  • Q10

    What provides the energy for photosynthesis?

    water

    sunlight

    glucose

    oxygen

    30s
    7.5a
  • Q11

    When a plant begins to wilt, there is a _______________ in turgor pressure.

    decrease

    increase

    30s
    7.7b
  • Q12

    The force of water against the cell wall that allows the plant to stand upright and tall is known as

    turgor pressure

    photosynthesis

    high pressure

    low pressure

    30s
    7.7b
  • Q13

    A plant's growth response to gravity is called

    photosynthesis

    turgor pressure

    space

    geotropism

    30s
    7.7b
  • Q14

    What body system is responsible for forces that allows blood to move around the body?

    nervous

    circulatory

    endocrine

    respiratory

    30s
    7.7b
  • Q15

    When seeds begin to sprout, they must use force to push against gravity to emerge from the seed coat. This process is called

    seed emergence

    gravity

    gravitropsim

    seed birth

    30s
    7.7b

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