Aquatic Science Fall Semester Review

Front

What is the main function of nitrifying bacteria in an aquarium?

Back

To convert ammonia into nitrite and nitrate.

Front

What type of data are measures of values or counts and are expressed as numbers?

Back

Quantitative.

Front

Letting your aquarium cycle (condition) helps to establish ______.

Back

biological filtration.

Front

Stomata are made of specialized cells called ______ which surround a tiny pore/opening.

Back

guard cells.

Front

What is condensation?

Back

The part of the water cycle when the water vapor in the air gets cold. The water turns back into a liquid and forms clouds.

Front

What is the role of photosynthesis in aquatic ecosystems?

Back

Photosynthesis converts light energy into chemical energy, producing oxygen and organic compounds that support aquatic life.

Front

Define the term 'biomagnification'.

Back

Biomagnification is the process by which the concentration of toxic substances increases in organisms at each successive level of the food chain.

Front

What is the significance of dissolved oxygen in aquatic environments?

Back

Dissolved oxygen is crucial for the survival of aquatic organisms, as it is required for respiration.

Front

Explain the concept of 'trophic levels' in an ecosystem.

Back

Trophic levels represent the hierarchical levels in an ecosystem, where organisms are classified based on their feeding relationships.

Front

What is the difference between a food chain and a food web?

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass, while a food web is a complex network of interconnected food chains.