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?
- Marine fungi
- Cyanobacteria
- Heterotrophic bacteria
- Marine viruses (correct)
Where are marine viruses typically found?
Where are marine viruses typically found?
- Freshwater lakes
- Deep sea (correct)
- Rainforests
- Deserts
What is the main function of heterotrophic bacteria?
What is the main function of heterotrophic bacteria?
- Control the growth of phytoplankton
- Break down complex organic matter (correct)
- Infect and destroy marine bacteria
- Produce oxygen through photosynthesis
Where are heterotrophic bacteria found?
Where are heterotrophic bacteria found?
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?
What is the main characteristic of heterotrophic bacteria?
What is the main characteristic of heterotrophic bacteria?
What is the main characteristic of marine viruses?
What is the main characteristic of marine viruses?
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?
Which group plays a critical role in the demise of algal blooms?
Which group plays a critical role in the demise of algal blooms?
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?
Which group of bacteria can oxidize inorganic substances to produce their food?
Which group of bacteria can oxidize inorganic substances to produce their food?
Where are chemosynthetic bacteria found?
Where are chemosynthetic bacteria found?
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?
What is nitrogen fixation?
What is nitrogen fixation?
What is the main function of symbiotic bacteria?
What is the main function of symbiotic bacteria?
Where are marine Archaea generally found?
Where are marine Archaea generally found?
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?
What is the main characteristic of marine cyanobacteria?
What is the main characteristic of marine cyanobacteria?
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?
What is the main characteristic of anoxygenic phototrophic bacteria?
What is the main characteristic of anoxygenic phototrophic bacteria?
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?
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?
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?
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?
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?
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?
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?
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?
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?
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?
