Home
Search
Create
Library
Topics
Student
Teacher
Admin
Map
Sign in for more features
YourStory
Home
Search
Create
Library
Topics
Student
Teacher
Sign in
Feedback
Contact Us!
Assessment
How does an increase in water temperature primarily affect dissolved oxygen levels in aquatic ecosystems?
It decreases dissolved oxygen levels.
It has no effect on dissolved oxygen levels.
It increases dissolved oxygen levels.
It makes dissolved oxygen levels unstable.
Which of the following aquatic species is most likely to be affected by rising temperatures?
Cold-water fish, such as trout.
Eelgrass and other submerged plants.
Tropical corals.
All of the above.
What is one of the direct consequences of temperature changes in freshwater ecosystems?
Changes in species composition and biodiversity.
Increased absorption of pollutants by sediment.
Constant water levels regardless of precipitation.
Immediate increase in fish reproduction rates.
Submit