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Deep Sea Review

Quiz by Brittany McCloskey [KHS]

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25 questions
Show answers
  • Q1
    The abyss, or deep ocean, is the portion of the ocean that includes anything beyond the 1000 m depth mark. Which of the following layers is not included in the abyss?
    Hadopelagic
    Epipelagic
    Abyssopelagic
    Bathylpelagic
    30s
  • Q2
    Which of the following describes the photic zone that supports photosynthetic organisms and reaches depths up to 150 m deep?
    Hadopelagic
    Mesopelagic
    Bathypelagic
    Epipelagic
    30s
  • Q3
    There are many challenges in the deep ocean that organisms face and have to adapt to. Which of the following challenges is responsible for low amount of energy being introduced, low oxygen content, and fewer organisms being able to live in this environment due to a lack of producers?
    Extreme pressure
    Bioluminescence
    Lack of Sunlight
    Rapid temperature decline
    30s
  • Q4
    Which of the following is the layer of the ocean where thermocline happens?
    Bathypelagic
    Abyssopelagic
    Mesopelagic
    Epipelagic
    30s
  • Q5
    What depth, or point, in the ocean does light not reach past?
    150 m
    1000m
    2500 m
    500 m
    30s
  • Q6
    Most fish in the mesopelagic zone are small, only ranging about 2 to 10 cm, why is this a beneficial adaptation?
    Helps make them agile hunters
    Helps conserve energy by not expending energy on growth
    Helps them conserve heat in cold temperatures
    Helps them stay hidden from predators
    30s
  • Q7
    What percentage of food made in the epipelagic region reaches the mesopelagic?
    5%
    10%
    40%
    20%
    30s
  • Q8
    True or False: Most non-migratory fish of the mesopelagic possess a swim bladder.
    True
    False
    30s
  • Q9
    Migratory fish have an adapted swim bladder that contains a substance that aides in helping the organism float better and conserve heat better. Which of the following correctly identifies this substance?
    Warm Air
    Fat Layer
    Mucus Layer
    Extra Muscel
    30s
  • Q10
    True or False: Red light is one of the few colors of light that reaches the deep ocean allowing for beautiful red organisms to appear at these depths and have an evolutionary advantage of drawing in prey with their red coloration.
    False
    True
    30s
  • Q11
    Many organisms in the mesopelagic have difficulty seeing, so they have a set of tubular eyes that are a secondary vision source. These tubular eyes are very acute and aide in directional vision. The reason for these eyes being so well developed is due to the
    Photophores creating light to reflect off the eye.
    Iris portion of the eye aiding in seeing color
    Sclera potion of the eye being all black
    Retina Portion of the eye extending up the sides of the eye
    30s
  • Q12
    Due to low amounts of sunlight, or no sunlight at all, being available in deep depths of the ocean, what type of organisms help to introduce energy into the communities that thrive at these depths?
    Photosynthetic Producers
    Chemosyntheitic producers
    Adenosynthetic producers
    Hydrosynthetic producers
    30s
  • Q13
    Organisms possessing modified hemoglobin in their blood helps them cope with which of the following challenges of the deep?
    Lack of oxygen
    Lack of sunlight
    Lack of food
    Extreme Pressure
    30s
  • Q14
    Photophores aide in producing bioluminescence to help organisms finding mates, find prey or warn off predators, but it can also be used for breaking up the silhouette of an organism for camouflage. Which of the following is a term that describes using photophores to appear lighter on top and darker on bottom?
    None of the above
    Transparency
    Counter Illumination
    Photoshading
    30s
  • Q15
    Many organisms in the deep have long gestation periods, or pregnancies, why is this beneficial?
    Protecting the developing fetus from cold temperatures allowing them to develop thicker fat tissue
    d. Protecting the developing fetus from extreme pressure allowing to develop stronger bones
    Conserving energy since there are fewer organisms to eat or provide energy
    Conserving oxygen since the mom provide everything to the growing baby in such extreme conditions
    30s

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