Marine Science Final Exam Review

Front

What is the independent variable in an experiment?

Back

The independent variable is the factor that is changed or manipulated by the researcher to observe its effect on the dependent variable.

Front

What process describes the release of water vapor by leaves?

Back

Transpiration is the process by which water vapor is released from the leaves of trees.

Front

What organism is primarily responsible for red tides?

Back

Red tides are mainly caused by dinoflagellates.

Front

What is a planula?

Back

A planula is the larval form of corals.

Front

What protein carries oxygen in the blood of fish?

Back

Hemoglobin is the protein that carries oxygen in the blood of fish.

Front

What is the role of diatoms in marine ecosystems?

Back

Diatoms are a type of phytoplankton that are key primary producers in marine ecosystems.

Front

Define the term 'marine biodiversity'.

Back

Marine biodiversity refers to the variety of life forms in ocean ecosystems, including species diversity, genetic diversity, and ecosystem diversity.

Front

What is the significance of coral reefs?

Back

Coral reefs provide habitat for a diverse range of marine species, protect coastlines from erosion, and support fishing and tourism industries.

Front

Explain the concept of ocean acidification.

Back

Ocean acidification is the decrease in pH levels of the ocean due to increased carbon dioxide absorption, affecting marine life, especially organisms with calcium carbonate shells.

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.