Biology Final Part II

40 Questions | Attempts: 120
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  • 1/40 Questions

    Zonation in an estuary is made evident by:

    • Large number of worms in the mud
    • Presence of different species along different horizontal levels in relation to tides
    • Tide pools along mud flats
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  • 2. 

    Most of the primary production carried out in the open ocean is performed by:

    • Phytoplankton

    • Seagrasses

    • Squidward

    • Zooxanthallae

    Correct Answer
    A. Phytoplankton
  • 3. 

    Mangroves belong to one of the following groups:

    • Flowering plants

    • Green algae

    • Brown algae

    Correct Answer
    A. Flowering plants
  • 4. 

    Reef building corals grow only in shallow water because:

    • Salinity varies less in shallow water

    • Zooxanthallae need light for photosynthesis

    • Nutrients concentrate in shallow water

    Correct Answer
    A. Zooxanthallae need light for photosynthesis
  • 5. 

    The infauna of mud flats feed mostly on:

    • Detritus

    • Plankton

    • Filter feeders

    Correct Answer
    A. Detritus
  • 6. 

    The most common type of coral reefs around the world:

    • Barrier

    • Fringing

    • Oyster reefs

    Correct Answer
    A. Fringing
  • 7. 

    Fringing and barrier reefs develop:

    • In waters along estuaries

    • In the open ocean far from land

    • Along a coast

    Correct Answer
    A. Along a coast
  • 8. 

    The expulsion ofzooxanthallae due to unfavorable conditions is called?

    • Exflagellation

    • Exudation

    • Bleaching

    • Conditioning

    Correct Answer
    A. Bleaching
  • 9. 

    Eutophication is very detrimental to the development of coral sice it increases:

    • The amount of nutrients in the water, stimulating overgrowth

    • Temperature of water, since it kills the coral

    • The salinity of water, since it kills zooxanthallae

    Correct Answer
    A. The amount of nutrients in the water, stimulating overgrowth
  • 10. 

    Most attols are found in theL

    • Indo-west pacific region

    • Carribbean

    • The eastern atlantic

    • I mispelled caribbeam. damn too lazy to change

    Correct Answer
    A. Indo-west pacific region
  • 11. 

    Succulents are plants that:

    • Excrete salts by way of salt glands

    • Lose water and salts

    • Accumulate water in their tissues

    Correct Answer
    A. Accumulate water in their tissues
  • 12. 

    The sweeper tentacles of corals contain:

    • Zooxanthallae

    • Nematocysts

    • Enzymes

    Correct Answer
    A. Nematocysts
  • 13. 

    Spur and groove formations, or buttresses, appear to be the result of:

    • Fish grazing

    • Wind and waves

    • Accumulation of sand

    Correct Answer
    A. Wind and waves
  • 14. 

    Primary production is very high in coral reefs but low in surrounding waters. One reason for this is that:

    • Nutrients are efficiently recycled

    • Turf algae releases nutrients

    • There is abundant carbon in the reefs

    Correct Answer
    A. Nutrients are efficiently recycled
  • 15. 

    Blood rich in hemglobin is an adaptation to:

    • Fluctuating salinities

    • Wide variations in temperature

    • Low oxygen concentrations

    Correct Answer
    A. Low oxygen concentrations
  • 16. 

    Planula is the name given to:

    • Coral larvae

    • The coral skeleton

    • Zooxanthallae

    Correct Answer
    A. Coral larvae
  • 17. 

    Reef-building corals are cnidarians that are characterized by

    • Having both a polyp and medusa stage

    • Lacking netocysts

    • Having only a polyp stage

    Correct Answer
    A. Having only a polyp stage
  • 18. 

    The most important organisms that help form coral reefs, other than reef-building corals, are:

    • Sponges

    • Corraline algae

    • Molluscs

    Correct Answer
    A. Corraline algae
  • 19. 

    Outwelling in estuaries is most important since it:

    • Maintains high primary production

    • Provides food and nutrients to other communities

    • Releases much oxygen

    Correct Answer
    A. Provides food and nutrients to other communities
  • 20. 

    Reef corals compete with soft corals for space one competitive advantage of soft corals is their:

    • Color

    • Toxic chemicals

    • Special stingers

    Correct Answer
    A. Toxic chemicals
  • 21. 

    The food web in salt marsh communities is characterized by high primary production. Most of this production is made available to other communities in the form of:

    • Plant tissue eaten by grazers

    • Detritus

    • Plant tissue eaten by filter feeders

    Correct Answer
    A. Detritus
  • 22. 

    Mangrove forests are considered a stage in the ecological succession between marine and terrestrial communities due to the fact  that they:

    • Live mostly above water

    • Serve as a nesting place for birds`

    • Accumulate sediment in their roots

    Correct Answer
    A. Live mostly above water
  • 23. 

    Zooxanthallae are essential to reef-building corals because the:

    • Provide the coral with carbon dioxide

    • Filter out harmful solar raditaion

    • Help in the deposition of the skeleton

    Correct Answer
    A. Help in the deposition of the skeleton
  • 24. 

    Practically all of the sediment that accumulates in a coral reef is of what type?

    • Biogenous

    • Monogenous

    • Heterogenous

    • I don't give a crap

    Correct Answer
    A. Biogenous
  • 25. 

    Generally, one important thing between barrier reefs and fringing reefs is that barrier reefs

    • Develop from attols

    • Develop farther away from land

    • Develop in the carribbean

    Correct Answer
    A. Develop farther away from land
  • 26. 

    Attols actually start as a:

    • Fringing reef

    • Barrier reef

    • Reef flat

    Correct Answer
    A. Fringing reef
  • 27. 

    The epipelagic  is divided into two components. The oceanic waters and:

    • Photic zone

    • Neritic zone

    • Pelagic calm

    Correct Answer
    A. Neritic zone
  • 28. 

    Giant clams are very large in size because of their ability to:

    • Have zooxanthallae

    • Be parasites when young

    • Be a deposit feeder

    Correct Answer
    A. Have zooxanthallae
  • 29. 

    The zonation of plants in marshes is determined mostly by:

    • Temperature fluctuations

    • Geographical location

    • Height of the tide

    Correct Answer
    A. Height of the tide
  • 30. 

    Hermatypic corals are those that:

    • Only live in tropical waters

    • Are non reef builders

    • Have zooxanthellae

    Correct Answer
    A. Have zooxanthellae
  • 31. 

    The mesenterial filaments of corals are important because they:

    • Help deposit the skeleton

    • Secrete digestive enzymes

    • Produce mucus

    Correct Answer
    A. Secrete digestive enzymes
  • 32. 

    The net phytoplankton consists mostly of very small:

    • Copepods

    • Diatoms and flagellates

    • Nanoplankton

    • Nanoplankton and diatoms

    Correct Answer
    A. Diatoms and flagellates
  • 33. 

    Obligate symbionts are those organisms that:

    • Have a casual relationship with the host

    • Harm the host

    • Are found only in association with another species

    Correct Answer
    A. Are found only in association with another species
  • 34. 

    Nanoplankton consists mostly of very small:

    • Phytoplankton

    • Copepods

    • Sea jellies

    Correct Answer
    A. Phytoplankton
  • 35. 

    Most zooplankton feed on:

    • Strictly phytoplnakton

    • Mostly zooplankton

    • Mostly nanoplankton and phytoplankton

    Correct Answer
    A. Mostly nanoplankton and phytoplankton
  • 36. 

    Sources of food and other essential nutrients for corals include all of the following except:

    • Nutrients released by the zooxanthallae

    • Calcium carbonate from shells

    • Zooplankton captured by tentacles

    Correct Answer
    A. Calcium carbonate from shells
  • 37. 

    The goegraphical distribution of mangrove forests is mostly determined by:

    • Salinity

    • Type of sediment

    • Temperature

    Correct Answer
    A. Temperature
  • 38. 

    Aside from zooxanthallae, what is the other primary producer in a corral reef?

    • Turf algae

    • Benthic diatoms

    • Kelps

    Correct Answer
    A. Turf algae
  • 39. 

    In a typical fringing reef, most of the live coral is found on the:

    • Reef flat

    • Reef slope

    • Reef crest

    Correct Answer
    A. Reef slope
  • 40. 

    The recruitment of coral reef fishes seems to be the result of one of these phenomena

    • Species tend to avoid competition

    • The outcome of competition is based on chance

    • Species actually choose when to compete and move elsewhere

    Correct Answer
    A. Species tend to avoid competition

Quiz Review Timeline (Updated): Mar 20, 2022 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 20, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • May 16, 2013
    Quiz Created by
    Jsinfonian

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