Freshwater and fish vocabulary

1.

Multiple Choice

30 sec

1 pt

Define alluvian

Adult fish that live in freshwater and migrate into saltwater to spawn (lay eggs).

A loose deposit that can be made up of a combination of soil, sediment, sand, stones and gravel

A river that consists of many channels of water separated by small and often temporary islands.

An area where water is collected by the natural landscape.

2.

Multiple Choice

30 sec

1 pt

Define braided river

Adult fish that live in freshwater and migrate into saltwater to spawn (lay eggs).

A loose deposit that can be made up of a combination of soil, sediment, sand, stones and gravel

A river that consists of many channels of water separated by small and often temporary islands.

An area where water is collected by the natural landscape.

3.

Multiple Choice

30 sec

1 pt

Define catchment

Adult fish that live in freshwater and migrate into saltwater to spawn (lay eggs).

A loose deposit that can be made up of a combination of soil, sediment, sand, stones and gravel

A river that consists of many channels of water separated by small and often temporary islands.

An area where water is collected by the natural landscape.

4.

Multiple Choice

30 sec

1 pt

Define catadromous

Adult fish that live in freshwater and migrate into saltwater to spawn (lay eggs).

A loose deposit that can be made up of a combination of soil, sediment, sand, stones and gravel

A river that consists of many channels of water separated by small and often temporary islands.

An area where water is collected by the natural landscape.

5.

Multiple Choice

30 sec

1 pt

Define bar

The channel bottom of a stream, river or creek.

The place where two or more flowing bodies of water join together to form a single channel.

A type of fish that spends its life cycle partially in freshwater and partially in saltwater.

An elevated area of sediment within the ocean or a waterbody such as a stream, river or lake

6.

Multiple Choice

30 sec

1 pt

Define confluence

The channel bottom of a stream, river or creek.

The place where two or more flowing bodies of water join together to form a single channel.

A type of fish that spends its life cycle partially in freshwater and partially in saltwater.

An elevated area of sediment within the ocean or a waterbody such as a stream, river or lake

7.

Multiple Choice

30 sec

1 pt

Define diadromous

The channel bottom of a stream, river or creek.

The place where two or more flowing bodies of water join together to form a single channel.

A type of fish that spends its life cycle partially in freshwater and partially in saltwater.

An elevated area of sediment within the ocean or a waterbody such as a stream, river or lake

8.

Multiple Choice

30 sec

1 pt

Define bed

The channel bottom of a stream, river or creek.

The place where two or more flowing bodies of water join together to form a single channel.

A type of fish that spends its life cycle partially in freshwater and partially in saltwater.

An elevated area of sediment within the ocean or a waterbody such as a stream, river or lake

9.

Multiple Choice

30 sec

1 pt

Define eddy

The tidal mouth of a large river where freshwater meets seawater.

The starting place of a river or stream.

A circular movement of water causing a small whirlpool.

Land-locked water bodies such as inland wetlands, lakes and deepwater habitats.

10.

Multiple Choice

30 sec

1 pt

Define estuary

The tidal mouth of a large river where freshwater meets seawater.

The starting place of a river or stream.

A circular movement of water causing a small whirlpool.

Land-locked water bodies such as inland wetlands, lakes and deepwater habitats.

11.

Multiple Choice

30 sec

1 pt

Define headwaters

The tidal mouth of a large river where freshwater meets seawater.

The starting place of a river or stream.

A circular movement of water causing a small whirlpool.

Land-locked water bodies such as inland wetlands, lakes and deepwater habitats.

12.

Multiple Choice

30 sec

1 pt

Define lacustrine

The tidal mouth of a large river where freshwater meets seawater.

The starting place of a river or stream.

A circular movement of water causing a small whirlpool.

Land-locked water bodies such as inland wetlands, lakes and deepwater habitats.

13.

Multiple Choice

30 sec

1 pt

Define anadromous

A bend in a stream, river or creek.

A segment in a river, stream or creek where the flow is shallower and more turbulent.

A process by which water becomes dirty as a result of fine mineral particles in the water.

An adult fish that lives in the sea and migrates into freshwater to spawn.

14.

Multiple Choice

30 sec

1 pt

Define meander

A bend in a stream, river or creek.

A segment in a river, stream or creek where the flow is shallower and more turbulent.

A process by which water becomes dirty as a result of fine mineral particles in the water.

An adult fish that lives in the sea and migrates into freshwater to spawn.

15.

Multiple Choice

30 sec

1 pt

Define riffles

A bend in a stream, river or creek.

A segment in a river, stream or creek where the flow is shallower and more turbulent.

A process by which water becomes dirty as a result of fine mineral particles in the water.

An adult fish that lives in the sea and migrates into freshwater to spawn.

16.

Multiple Choice

30 sec

1 pt

Define siltation

A bend in a stream, river or creek.

A segment in a river, stream or creek where the flow is shallower and more turbulent.

A process by which water becomes dirty as a result of fine mineral particles in the water.

An adult fish that lives in the sea and migrates into freshwater to spawn.

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