Hydrosphere Unit Test

Front

What aspect of water quality is most affected by changes in temperature?

Back

Dissolved oxygen is most affected by changes in temperature.

Front

What does a recreational lake experiencing eutrophication look like?

Back

It appears murky and full of algae.

Front

What is the best measure to increase the amount of available water while demonstrating stewardship?

Back

Reducing water usage through conservation measures.

Front

What is a bioindicator?

Back

A bioindicator is an organism whose health in an ecosystem is studied to see how healthy that ecosystem is.

Front

What are point source pollutants?

Back

Point source pollutants are contaminants that come from a single, identifiable source, such as oil spills and factory discharge.

Front

What is eutrophication?

Back

Eutrophication is the process by which water bodies become overly enriched with nutrients, leading to excessive growth of algae.

Front

How does temperature affect dissolved oxygen levels in water?

Back

As temperature increases, the solubility of oxygen in water decreases, leading to lower dissolved oxygen levels.

Front

What are some common sources of excess nutrients in water bodies?

Back

Common sources include agricultural runoff, sewage discharge, and fertilizers.

Front

Why is dissolved oxygen important for aquatic life?

Back

Dissolved oxygen is essential for the survival of fish and other aquatic organisms, as they rely on it for respiration.

Front

What is the difference between point source and non-point source pollution?

Back

Point source pollution comes from a single, identifiable source, while non-point source pollution comes from multiple, diffuse sources.