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AL Marine Science 6-8

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  • What happens to the larval stages of shrimp after hatching?
    they swim to the open ocean
    they attach to a rocky substrate
    they sink to the sea bed
    they drift to coastal waters
  • Describe the relationship between Endoriftia and Riftia
    Endoriftia are a chemosynthetic bacteria that are mutualistically symbiotic with their host, Riftia
  • Name the part of the cell
    chloroplast
  • What type of cell is this structure found in?
    plant
    both
    animal
  • Name the part of the cell
    cell membrane
  • Name the part of the cell
    golgi body (golgi apparatus)
  • What type of ventilation is performed by a coral polyp?
    diffusion
    ram ventilation
    pumped ventilation
  • What type of cell is this structure found in?
    both
    plant
    animal
  • Through which process do Endoriftia produce glucose?
    chemosynthesis
  • Where does the light-dependent reaction take place?
    stroma
    stomata
    thylakoid
    cytoplasm
  • What parental care strategy do shrimp use?
    r-strategy
    K-strategy
  • Angel sharks are slow moving and often rest in place. What type of ventilation do they use?
    pumped ventilation
    ram ventilation
  • State the word equation for aerobic respiration.
    glucose + oxygen --> carbon dioxide + water
  • Which of these is NOT a unique feature of plant cells?
    cell membrane
    chloroplasts
    cell wall
    large, permanent vacuole
  • State the function of xanthophyll
    accessory pigment found in red and brown algae, absorbs light from green and blue wavelengths
  • State the label of the x-axis in this graph.
    light intensity
    carbon dioxide concentration
    temperature
    light wavelength
  • Which of these is not a care strategy of sharks?
    viviviparity
    oviparity
    ovoviviparity
    viviparity
  • Define osmoregulator
    an organism which maintains a constant internal osmotic pressure
  • Where does aerobic respiration take place?
    cytoplasm
    Golgi apparatus
    mitochondria
    chloroplast
  • Define euryhaline
    an organism that can tolerate a wide range of salinities
  • What type of ventilation can be performed by a stationary fish?
    pumped ventilation
    diffusion
    ram ventilation
  • What type of cell is this structure found in?
    plant
    both
    animal
  • State the function of this structure.
    Site of aerobic respiration.
  • hydrogen sulfide + ________ -> glucose + ________ + sulfur
    oxygen, water
    water, hydrogen ions
    carbon dioxide, water
    carbon dioxide, hydrogencarbonate
  • Name the part of the cell
    rough endoplasmic reticulum (rER)
  • State the function of this structure.
    Site of the synthesis of proteins.
  • State three features of a plant cell not found in an animal cell.
    cell wall, large permanent vacuole, chloroplasts
  • State the function of this structure.
    Modifies and packages proteins before they are secreted.
  • How many carbon atoms does RuBP have?
    four
    five
    three
    six
  • What is the function of rubisco?
    to join RuBP with one carbon atom from carbon dioxide
  • What type of cell is this structure found in?
    plant
    both
    animal
  • Where does anaerobic respiration take place?
    ribosomes
    cytoplasm
    mitochondria
    chloroplasts
  • What type of ventilation requires a fish to be swimming?
    diffusion
    ram ventilation
    pumped ventilation
  • Which of these is NOT an accessory pigment in photosynthesis?
    phycoerythrin
    xanthophyll
    phycocyanin
    biochromophyll
  • What fertilisation strategy do dolphins use?
    internal fertilisation
    external fertilisation
  • What happens to shrimp eggs after fertilisation?
    they drift towards mangrove forests
    they float to the surface of the open ocean
    they sink to the sea bed
    they are carried in the egg sac
  • Which of these is NOT a larval stage of shrimp.
    protozoea
    mysis
    nauticus
    nauplius
  • State the function of a Secchi disc
    Instrument used to measure light penetration/turbidity/visibility
  • State the function of this structure.
    Controls the passage of substances in and out of the cell.
  • What fertilisation strategy do shrimp use?
    internal fertilisation
    external fertilisation
  • State the function of this structure.
    Contains chlorophyll for photosynthesis.
  • Is this an animal or plant cell?
    plant
    animal
  • Where do adult shrimp breed?
    the open ocean
    mangrove forests
    rocky shores
  • Where does the light-independent reaction (Calvin Cycle) take place?
    granum
    stoma
    stroma
    thylakoid
  • What type of cell is this structure found in?
    animal
    plant
    both
  • Which TWO products of the light-dependent reaction are used in the Calvin Cycle?
    carbon dioxide, glucose
    ATP (reduced), hydrogen ions
    ATP, NADP (reduced)
    ADP, NADP (oxidised)
  • Which of these is NOT an advantage of external fertilisation?
    allows colonisation of new areas
    less energy spent on parental care
    increased biodiversity
    high mortality
  • Define osmoconformer
    an organism whose internal osmotic pressure is the same as the external osmotic pressure
  • Which of these is NOT a disadvantage of external fertilisation?
    less parental care
    less competition for food
    increased predation
    high mortality
  • Describe what happens to light wavelength in deeper water.
    red and yellow wavelengths absorbed, green and blue wavelengths penetrate deeper
  • What parental care strategy do dolphins use?
    K-strategy
    r-strategy
  • Name the part of the cell
    mitochondria
  • State THREE advantages of having larval stages in a complex life cycle.
    sessile organisms can colonise new areas, reduces competition for food/habitat, reduces cannabilism
  • Which enzyme is used during the Calvin Cycle?
    Nitrate reductase
    Rubisco
    RRM1
    Glucose oxidase
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