A) Deep-sea coral and jellyfish B) Zooplankton, phytoplankton, and bacteria C) Sponges and echinoderms D) Crustaceans and mollusks
A) Lipids B) Protein C) Phenolics D) Carbohydrates
A) Sugars do not form bubbles B) It is washed away by currents C) It is converted into protein by sunlight D) Sugars are quickly consumed by bacteria
A) Talitrus saltator B) Gammarus oceanicus C) Corophium volutator D) Ampelisca macrocephala
A) During phytoplankton blooms B) During volcanic activity C) During winter storms D) During low tide
A) Spiral bacteria B) Filamentous bacteria C) Rod-shaped bacteria D) Coccoid-form bacteria
A) 25% B) 95% C) 5% to 10% D) 50%
A) Red clay B) Volcanic ash C) Industrial runoff D) Pollen
A) Only when white B) Only in fresh water C) No D) Yes
A) Pure oxygen bubbles B) Non-toxic mineral oils C) Only natural sea salts D) Contaminants like pesticides and herbicides
A) Dinoflagellates B) Diatoms C) Cyanobacteria D) Green algae
A) It disappears entirely B) It remains stable C) It decreases D) It increases
A) Beach foam B) Salt spray C) Ocean mist D) Tidal suds
A) Carbon dioxide B) Dissolved organic matter C) Marine plastics D) Dissolved mineral salts
A) Surface tension B) Magnetic attraction C) Gravitational pull D) Static electricity
A) Animal migration B) Strong on-shore winds C) Tidal shifts D) Ocean currents
A) Underwater mining B) Tidal power generation C) Overfishing D) Spillage of detergents
A) Lower water salinity B) Higher concentrations of dissolved organic matter C) Depth of origin D) Temperature differences
A) Condensation B) Evaporation C) Bubble entrainment D) Sublimation
A) Sand particles B) Hydrophobic substances C) Salt crystals D) Heavy metals
A) They expand indefinitely B) They turn into ice C) They sink to the bottom D) They dissolve entirely
A) Full moon B) Heavy swells C) Low tide D) Solar flares
A) Algal growth B) Increased salinity C) Thermal cooling D) Foam destruction
A) Hardening agents B) Cooling agents C) Bleaching agents D) Foaming agents
A) Underwater volcanoes B) Decomposing matter C) The atmosphere D) Marine plants
A) Thermodynamically unstable B) Thermodynamically reactive C) Thermodynamically inert D) Thermodynamically stable
A) Several days B) Several weeks C) Several hours D) Several minutes
A) Seconds B) Days C) Minutes D) Hours
A) Carbon dioxide B) Pure oxygen C) Aerosols D) Nitrogen gas
A) Gold, silver, or copper B) Silica, calcium, or iron C) Plastic, rubber, or glass D) Magnesium, sulfur, or lead
A) High salt concentration B) Reduced mucus coating C) Cold temperature D) Increased sunlight exposure
A) 90% B) 50% C) 70% D) 20%
A) Deep ocean trenches B) Arctic glacial fronts C) Coral reef systems D) Nearshore areas with large kelp beds |