Environmental Science Exam Review

Front

What is the purpose of conducting scientific tests or quality control tests more than once?

Back

To ensure data accuracy and reliability.

Front

What pH range do creek critters function best within?

Back

6.0 to 8.5.

Front

True or False: The higher the dissolved oxygen, the better for aquatic life?

Back

True.

Front

What is the acceptable range for dissolved oxygen testing samples?

Back

+/- 0.6.

Front

What abiotic factor is necessary for the health of the food chain in the creek?

Back

Dissolved Oxygen.

Front

Define 'Dissolved Oxygen'.

Back

The amount of oxygen that is present in water, essential for aquatic organisms.

Front

What is the significance of pH in aquatic ecosystems?

Back

pH affects the solubility and biological availability of nutrients and metals.

Front

What is the role of water temperature in aquatic environments?

Back

It influences metabolic rates and the solubility of oxygen.

Front

What does conductivity measure in water?

Back

The ability of water to conduct electricity, indicating the presence of ions.

Front

What is fecal coliform?

Back

Bacteria found in the intestines of warm-blooded animals, used as an indicator of water quality.