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Topic Review: Ecology and Feedback Systems

Quiz by Texas Education Agency

High School
Biology (2017)
Texas Essential Knowledge and Skills (TEKS)

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Measures 7 skills from
High School
Biology (2017)
Texas Essential Knowledge and Skills (TEKS)

BIOL.11b
BIOL.12e
BIOL.12c
BIOL.12a
BIOL.12d
BIOL.11a
BIOL.12b

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62 questions
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  • Q1
    Surtsey is an island located south of Iceland. The island was formed by a volcanic eruption and first appeared in 1963. The table below contains descriptions of changes in the population and diversity of species on Surtsey. Which of these lists the descriptions in the correct order of ecological succession on Surtsey?
    Question Image
    II, IV, I, III
    I, II, IV, III
    IV, III, I, II
    III, I, II, IV
    60s
    BIOL.11b
  • Q2
    The overgrowth of algae poses a major problem for coral reefs. Intensive fishing is one factor that contributes to algae overgrowth because it does which of the following?
    Reduces the number of organisms that feed on algae
    Inhibits the spread of pathogens in algae colonies
    Increases the competition between different algae species
    Allows more sunlight to be available to algae
    60s
    BIOL.12e
  • Q3
    Which of the following are missing from the food web shown above?
    Question Image
    Omnivores
    Predators
    Decomposers
    Producers
    60s
    BIOL.12c
  • Q4
    The acacia ant (Pseudomyrmex ferruginea) lives in the bullshorn acacia plant, as shown below. The acacia ant nests and feeds in the plant's hollow thorns. The ant helps protect the bullshorn acacia by attacking insects and grazing animals that come near the plant. The relationship between the acacia ant and the bullshorn acacia is an example of which of the following?
    Question Image
    Commensalism
    Mutualism
    Parasitism
    Neutralism
    60s
    BIOL.12a
  • Q5
    The carbon cycle includes processes that release carbon into the atmosphere and places that act as carbon reservoirs. The diagram below shows both major processes that release carbon and major carbon reservoirs. Which of these disruptions would cause an excess output in the carbon cycle?
    Question Image
    Increases in marine biota
    A thickening of ocean sediments
    A reduction in the use of fossil fuels
    The destruction of terrestrial biota
    60s
    BIOL.12d
  • Q6
    The Nile River flows into the Mediterranean Sea. The Aswan High Dam contains the flow of water from the river and reduces the annual fall flooding. The floodwater is trapped behind the huge dam, allowing irrigation for agriculture. Sediments that would be washed away by the annual floods are also trapped behind the dam. The graph shows the water flow from the Nile that enters the Mediterranean Sea. How has this dam most likely affected the Mediterranean Sea ecosystem?
    Question Image
    Reduced nutrients from the land support fewer producers in the sea
    The flooding in August through November causes marine life to be destroyed
    The water temperature of the sea has increased
    Water trapped behind the dam causes the marine ecosystem to move inland
    60s
    BIOL.12e
  • Q7
    The Texas blind salamander (Eurycea rathbuni) lives in the Edwards Aquifer region around San Marcos. Along with other species the salamander lives in total darkness in the underground crevices and caves of the aquifer region. The table lists some of the organisms that live in this environment and their food sources. In an energy pyramid for these aquifer cave dwellers, which of the following would be placed at the bottom?
    Question Image
    Protozoa
    Blind shrimp
    Snails
    Texas blind salamanders
    60s
    BIOL.12c
  • Q8
    A student sets up a compost bin outdoors. Inside the bin microorganisms convert the student's vegetable and paper scraps into rich fertilizer. Which of the following best describes the role that these microorganisms play in natural habitats?
    The microorganisms function as autotrophs
    The microorganisms help balance the numbers of producers and consumers
    The microorganisms turn solar energy into sugars
    The microorganisms help keep nutrients cycling through the ecosystem
    60s
    BIOL.11a
  • Q9
    The graph shows the basic changes in a forest community after a disturbance occurred. The information shown in the graph suggests that the changes in the forest community were caused by -
    Question Image
    succession after a fire
    repeated habitat destruction
    decreased species diversity
    tree-leaf replacement after a storm
    60s
    BIOL.11b
  • Q10
    The iris controls the size and shape of the pupil. Which eye most likely belongs to an animal that is active most of the day on white desert sand?
    Answer Image
    Answer Image
    Answer Image
    Answer Image
    60s
    BIOL.12b
  • Q11
    A native species and a non-native species are competing for resources within the same ecosystem. The non-native species is more likely to survive than the native species in which of the following situations?
    The native species is immune to certain pathogens in the ecosystem
    The non-native species has no natural enemies in the ecosystem
    Predators prey on both native and non-native species
    Both the native species and the non-native species thrive on the same food source
    60s
    BIOL.12a
  • Q12
    The table below provides some information about the feeding methods of the five rhinoceros species. Which rhinoceros species is best adapted for feeding in the large open grasslands of Africa's Serengeti ecosystem?
    Question Image
    Javan rhinoceros
    Black rhinoceros
    White rhinoceros
    Sumatran rhinoceros
    60s
    BIOL.12b
  • Q13
    Dead zones are low-oxygen areas that develop on the seafloor. Scientists hypothesize that phytoplankton blooms cause these dead zones. Phytoplankton blooms occur when excess nutrients are introduced by pollution from fertilizers, sewage plants, and the burning of fossil fuels. Which of the following would most likely cause an increase in these contributors to dead zones?
    Rainfall patterns that increase freshwater runoff from terrestrial ecosystems
    Constructing efficient water-recovery and treatment plants
    Replacing coal-fired power plants with windmills
    Farming practices that reduce nitrate and phosphate applications
    60s
    BIOL.12e
  • Q14
    Some fungi secrete substances that are toxic to bacteria that compete with them for food. Scientists have used their knowledge of this ability of fungi in order to produce which of the following substances?
    Plastic
    Yogurt
    Antibiotics
    Fertilizers
    60s
    BIOL.11a
  • Q15
    A marine ecosystem is represented below. What is lost to the environment at each of the trophic levels of this ecosystem?
    Question Image
    Food sources
    Heat
    Living space for the organisms
    Nutrients from the soil
    60s
    BIOL.12c

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