Envirothon Aquatics

Front

What is the limnetic zone in lakes?

Back

The limnetic zone is the open water area of a lake where sunlight penetrates, allowing phytoplankton to perform photosynthesis.

Front

What are passive methods for determining fish species?

Back

Passive methods include entanglement, entrapment, and trotline.

Front

Identify a type of aquatic life: Rock Bass, Small Mouth Bass, American Carp, Sunfish.

Back

Rock Bass is a type of aquatic life.

Front

What is a watershed?

Back

A watershed includes all lakes, streams, rivers, and surrounding land that drains toward it.

Front

What effect does fertilizer have on water quality?

Back

Fertilizer causes the levels of both nitrates and phosphates to increase.

Front

What is the role of phytoplankton in aquatic ecosystems?

Back

Phytoplankton perform photosynthesis, producing oxygen and serving as a food source for aquatic organisms.

Front

Define the term 'aquatic ecosystem'.

Back

An aquatic ecosystem is a water-based environment where organisms interact with each other and their surroundings.

Front

What is the difference between active and passive fish sampling methods?

Back

Active methods involve movement of testing gear, while passive methods keep the gear stationary.

Front

What is eutrophication?

Back

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

Front

What are emergent plants?

Back

Emergent plants are those that grow in shallow water and have parts that extend above the water surface.