Podcast
Questions and Answers
Which group is responsible for infecting and destroying marine bacteria and controlling the growth of phytoplankton at the base of the marine food web?
Which group is responsible for infecting and destroying marine bacteria and controlling the growth of phytoplankton at the base of the marine food web?
Where are marine viruses typically found?
Where are marine viruses typically found?
What is the main function of heterotrophic bacteria?
What is the main function of heterotrophic bacteria?
Where are heterotrophic bacteria found?
Where are heterotrophic bacteria found?
Signup and view all the answers
What is the contribution of marine viruses towards energy flow and nutrient cycling?
What is the contribution of marine viruses towards energy flow and nutrient cycling?
Signup and view all the answers
What is the main characteristic of heterotrophic bacteria?
What is the main characteristic of heterotrophic bacteria?
Signup and view all the answers
What is the main characteristic of marine viruses?
What is the main characteristic of marine viruses?
Signup and view all the answers
What is the main contribution of heterotrophic bacteria towards energy flow and nutrient cycling?
What is the main contribution of heterotrophic bacteria towards energy flow and nutrient cycling?
Signup and view all the answers
Which group plays a critical role in the demise of algal blooms?
Which group plays a critical role in the demise of algal blooms?
Signup and view all the answers
What is the main/generic group of marine viruses that infect and destroy marine bacteria and control the growth of phytoplankton?
What is the main/generic group of marine viruses that infect and destroy marine bacteria and control the growth of phytoplankton?
Signup and view all the answers
Which group of bacteria can oxidize inorganic substances to produce their food?
Which group of bacteria can oxidize inorganic substances to produce their food?
Signup and view all the answers
Where are chemosynthetic bacteria found?
Where are chemosynthetic bacteria found?
Signup and view all the answers
What is the main function of chemosynthetic bacteria at hydrothermal vents and cold seeps?
What is the main function of chemosynthetic bacteria at hydrothermal vents and cold seeps?
Signup and view all the answers
What is nitrogen fixation?
What is nitrogen fixation?
Signup and view all the answers
What is the main function of symbiotic bacteria?
What is the main function of symbiotic bacteria?
Signup and view all the answers
Where are marine Archaea generally found?
Where are marine Archaea generally found?
Signup and view all the answers
What is the main contribution of marine Archaea towards energy flow and nutrient cycling?
What is the main contribution of marine Archaea towards energy flow and nutrient cycling?
Signup and view all the answers
What is the main characteristic of marine cyanobacteria?
What is the main characteristic of marine cyanobacteria?
Signup and view all the answers
Which group of bacteria is considered the most abundant photosynthetic organism on Earth?
Which group of bacteria is considered the most abundant photosynthetic organism on Earth?
Signup and view all the answers
What is the main characteristic of anoxygenic phototrophic bacteria?
What is the main characteristic of anoxygenic phototrophic bacteria?
Signup and view all the answers
Which group of organisms is responsible for fixing atmospheric nitrogen into ammonium, a nutrient used by other organisms?
Which group of organisms is responsible for fixing atmospheric nitrogen into ammonium, a nutrient used by other organisms?
Signup and view all the answers
Which group of organisms are the most productive calcifying organisms on the planet, covering themselves with a calcium carbonate shell?
Which group of organisms are the most productive calcifying organisms on the planet, covering themselves with a calcium carbonate shell?
Signup and view all the answers
Which group of organisms produce oxygen in marine and freshwater and can form symbiotic relationships with larger animals, including corals?
Which group of organisms produce oxygen in marine and freshwater and can form symbiotic relationships with larger animals, including corals?
Signup and view all the answers
Which group of organisms are commonly used to map past distributions of the tropics, locate ancient shorelines, and track global ocean temperature changes during the ice ages?
Which group of organisms are commonly used to map past distributions of the tropics, locate ancient shorelines, and track global ocean temperature changes during the ice ages?
Signup and view all the answers
Which group of organisms are single-celled organisms that can absorb silica from seawater to form elaborate skeletal structures?
Which group of organisms are single-celled organisms that can absorb silica from seawater to form elaborate skeletal structures?
Signup and view all the answers
Which group of organisms are photosynthesizing algae that remove carbon dioxide from the atmosphere through photosynthesis?
Which group of organisms are photosynthesizing algae that remove carbon dioxide from the atmosphere through photosynthesis?
Signup and view all the answers
Which group of organisms are found in almost every aquatic environment and are estimated to produce 20 to 50 percent of the oxygen we breathe?
Which group of organisms are found in almost every aquatic environment and are estimated to produce 20 to 50 percent of the oxygen we breathe?
Signup and view all the answers
Which group of organisms are one-celled plant-like organisms that live in large numbers throughout the upper layers of the ocean and are almost exclusively marine?
Which group of organisms are one-celled plant-like organisms that live in large numbers throughout the upper layers of the ocean and are almost exclusively marine?
Signup and view all the answers
Which group of organisms are found in all aquatic environments and are an important group of phytoplankton that produce oxygen?
Which group of organisms are found in all aquatic environments and are an important group of phytoplankton that produce oxygen?
Signup and view all the answers
Which group of organisms are species of fungi that live in marine or estuarine environments and produce many enzymes that help in maintaining the environmental ecosystem?
Which group of organisms are species of fungi that live in marine or estuarine environments and produce many enzymes that help in maintaining the environmental ecosystem?
Signup and view all the answers
