Lake Systems review

Front

What is the deepest light zone in a lake?

Back

Profundal

Front

What light zone is near the surface and has a variety of species like cattails, small fish, and snails?

Back

Littoral

Front

What is eutrophication?

Back

Eutrophication is the process caused by excess nutrients building up in the water, leading to increased plant growth and decay.

Front

What factor is most responsible for the oxygen levels in a lake?

Back

Photosynthesis is the primary factor responsible for oxygen levels in a lake.

Front

What causes lake stratification during the summer?

Back

Lake stratification during the summer is caused by the formation of distinct temperature layers in the water.

Front

What is the limnetic zone?

Back

The limnetic zone is the open water area of a lake that is well-lit and supports plankton and fish.

Front

What is the hypolimnion?

Back

The hypolimnion is the deepest layer of water in a stratified lake, typically cold and low in oxygen.

Front

What role do phytoplankton play in lake ecosystems?

Back

Phytoplankton are primary producers that perform photosynthesis, providing oxygen and serving as a food source for aquatic organisms.

Front

What is the significance of the littoral zone?

Back

The littoral zone is significant for its biodiversity, providing habitat for various aquatic plants and animals.

Front

How does temperature affect lake stratification?

Back

Temperature affects lake stratification by creating layers of water with different densities, preventing mixing.