Marine biology
What fish has a wide and flattened head that can spot prey hidden beneath the sand and detect electrical signals from others animal?
Hammerhead shark
What chemical reaction possessed by many marine bacteria allows them to produce light?
Bioluminescence
What marine career protects marine wildlife?
Marine Conservationist
What is the term for all the liquid and surface water of the planet
hydrosphere
What apex predator keeps coral reef populations in check?
Sharks
What reptile has a powerful jaw with thick armored skin that inhabits tropical coastal regions, estuaries, and river systems?
saltwater crocodile
Marine microbes make up what percentage of the entire marine biological community?
90%
Why is the ocean important?
It produces over 50 percent of the oxygen we breathe .
It is vital for climate biodiversity and human life
What sonar navigation technique do whales and dolphins use to hunt?
Echolocation
What organisms serve as the basis of marine food webs?
algae/phytoplankton
what percent of the Earth's surface is covered by water?
71 percent
What are the microscopic photosynthetic organisms that drift in the water called?
Phytoplankton
What does an oceanographer do?
studies ocean currents, marine chemistry, and climate change effects?
The process that carries colder, nutrient rich water upward to a more shallower depth.
What ocean zone has no sunlight?
Aphotic zone
What are convergent plate boundaries?
What separates marine fish, reptiles, mammals, and birds from sponges, echinoderms, cnidarians, and arthropods?
Vertebrae
What do underwater archaeologists do?
Explore ocean history
What is the process where phytoplankton absorb CO2 via photosynthesis, moving carbon into the food chain?
The carbon cycle
What is another name for quaternary consumers of the food web?
Apex predators
What is the largest oceanic trench in the world?
Mariana Trench
Name 3 features that classify an organism as a fish.
Some options: Ectothermic, gills, scales, fins, eggs.
Known as an injury caused when there is a rapid decrease in pressure in the air/water around a SCUBA diver.
Decompression Sickness
The increasing concentration of a substance from one tropic level to the next.
biomagnification
How many major ocean zones are there?
5