Aquatic Biomes

Front

What is an abiotic factor?

Back

An abiotic factor is a non-living component of an ecosystem, such as sunlight, temperature, and water.

Front

True or False? Plankton are considered abiotic factors in marine ecosystems.

Back

False. Plankton are biotic factors as they are living organisms.

Front

What are the two main types of aquatic biomes?

Back

Marine and freshwater.

Front

What is the largest biome on Earth?

Back

The aquatic biome.

Front

How many zones are there in the marine ecosystem?

Back

There are 4 zones: intertidal, pelagic, benthic, and abyssal.

Front

What is the littoral zone?

Back

The littoral zone is the nearshore area of a body of water where sunlight penetrates to the bottom, allowing aquatic plants to grow.

Front

What is the benthic zone?

Back

The benthic zone is the lowest ecological zone in a body of water, consisting of the sediment surface and sub-surface layers.

Front

Define estuary.

Back

An estuary is a coastal area where freshwater from rivers meets and mixes with saltwater from the ocean.

Front

What is a watershed?

Back

A watershed is an area of land that drains into a particular water body, such as a river, lake, or ocean.

Front

What is the limnetic zone?

Back

The limnetic zone is the open water area of a lake or pond that is well-lit and supports photosynthesis.