Podcast
Questions and Answers
What do bacteria at underwater vents do to make food?
What do bacteria at underwater vents do to make food?
- Respiration
- Fermentation
- Photosynthesis
- Chemosynthesis (correct)
Which organisms are mentioned as part of the complex ecosystem powered by food from chemosynthesis?
Which organisms are mentioned as part of the complex ecosystem powered by food from chemosynthesis?
- Eagles and vultures
- Tubeworms and sea stars (correct)
- Lions and tigers
- Grasshoppers and ants
Why are producer organisms extremely important in the food web?
Why are producer organisms extremely important in the food web?
- To form the basis of energy transfers (correct)
- To provide shelter for other organisms
- To regulate temperature
- To control population growth
What can happen if there are too few producers in an ecosystem?
What can happen if there are too few producers in an ecosystem?
What process can lead to an overgrowth of cyanobacteria in an aquatic ecosystem?
What process can lead to an overgrowth of cyanobacteria in an aquatic ecosystem?
What is the main cause of eutrophication in aquatic ecosystems?
What is the main cause of eutrophication in aquatic ecosystems?
Which statement best describes the impact of eutrophication on an ecosystem?
Which statement best describes the impact of eutrophication on an ecosystem?
What type of nutrients are typically added to an aquatic ecosystem during eutrophication?
What type of nutrients are typically added to an aquatic ecosystem during eutrophication?
Why is an overgrowth of cyanobacteria during eutrophication harmful to an ecosystem?
Why is an overgrowth of cyanobacteria during eutrophication harmful to an ecosystem?
What process do bacteria at underwater vents use to make food?
What process do bacteria at underwater vents use to make food?
What can result from an overgrowth of producer organisms in an ecosystem?
What can result from an overgrowth of producer organisms in an ecosystem?
What is a main cause of eutrophication in aquatic ecosystems?
What is a main cause of eutrophication in aquatic ecosystems?
Why are producer organisms crucial in the food web?
Why are producer organisms crucial in the food web?
How does eutrophication usually affect the balance in an aquatic ecosystem?
How does eutrophication usually affect the balance in an aquatic ecosystem?
What happens if there are too few producer organisms in an ecosystem?
What happens if there are too few producer organisms in an ecosystem?
Which organisms can be part of a complex ecosystem powered by food from chemosynthesis?
Which organisms can be part of a complex ecosystem powered by food from chemosynthesis?
What typically leads to the formation of a dead zone in an aquatic ecosystem?
What typically leads to the formation of a dead zone in an aquatic ecosystem?
What is the consequence of an abundance of normally limiting nutrients being added to an aquatic ecosystem?
What is the consequence of an abundance of normally limiting nutrients being added to an aquatic ecosystem?
How does chemosynthesis differ from photosynthesis in terms of energy source?
How does chemosynthesis differ from photosynthesis in terms of energy source?
