Question
click below
click below
Question
Normal Size Small Size show me how
OCE Test 2 VI
Question | Answer |
---|---|
All of the following are examples of strategies employed by organisms to reduce wave shock in the rocky intertidal zone except | motile larvae |
The most important limiting factor in intertidal communities is | space |
The depth to which a bivalve can bury itself depends on the | length of the respiratory structure |
Organisms that live the spaces between sediment particles are called | meiofauna |
Which of the following factors does not limit coral growth | high concentrations of calium carbonate in the water |
Eutrophication is detrimental to coral growth because it increases the | amount of inorganic nutrients in the water that stimulates excessive algal growth |
Zooxanthellae are autotrophic marine protists that are found in the living tissues of some simple marine invertebrates such as corals, sea anemones, and jellyfish. Zooxanthellae are members of the | Division Dinoflagellata |
The relationship between the protistan zooxanthellae and the polyps of reef building corals is best described as a | obligate mutualistic endosymbiosis |
Which of the following is a threat to coral reef survival | boat collisions, fishing, scuba and snorkeling, suspended sediment |
The loss of color in coral reef organisms is caused by | loss of zooxanthellae |
The distribution of benthic biomass is related to | surface productivity |
Primary producers in hydrothermal vent communities are | sulfur oxidizing bacteria |
The three varities of seeps on the seafloor include hypersaline, hydrocarbon and | subduction zone seeps |
Subduction zone seeps support communities from | methan rich waters |
Most of the hydrothermal vents and cool water seeps on the seafloor were discovered during which decade | 80s |
Hydrocarbon seeps have discovered | in the Gulf of Mexico |
All of the following are associated with hypersaline seeps except | very high temperature |