Aquatic Ecosystems and Biomes

There are two major aquatic (water) biomes in the world - marine biome and freshwater biome

Multiple Choice

This type of aquatic ecosystem is a mix of fresh and salt water.

• estuary

• lake

• river

Multiple Choice

Wetlands have high species diversity.

• false

• true

Multiple Choice

Which is a fresh water ecosystem?

• river

• estuary

• ocean

Multiple Choice

What are the three major types of aquatic ecosystems?

• Rivers, Lakes, and Ponds

• Marine, Freshwater, and Estuaries

• Coral reefs, Oceans, and the Sea

• There are only freshwater ecosystems

Multiple Select

Which are examples of aquatic ecosystems?

• River

• Desert

• Tundra

• Lake

Multiple Choice

Which aquatic ecosystem is this?

• river

• ocean

• lake

Multiple Choice

Which aquatic ecosystem is this?

• river

• ocean

• lake

Multiple Choice

Which aquatic ecosystem is found where the freshwater rivers meet the ocean?

• ocean

• estuary

• lake

• pond

Multiple Choice

Which of the following is NOT a freshwater ecosystem?

• Stream

• River

• Coral reef

• Pond

Multiple Choice

Almost ____% of the earth's surface is covered with water.

• 100%

• 75%

• 50%

• 35%

Multiple Choice

Which of the following is NOT an aquatic ecosystem?

• Marsh

• River

• Tundra

• Swamp

Multiple Choice

Which of the following is a saltwater ecosystem?

• Oceans

• River

• Ponds

• Lakes

Multiple Choice

The tundra is a ___________.

• Terrestrial Ecosystem

• Aquatic Ecosystem

Multiple Choice

The river is a ___________.

• Terrestrial Ecosystem

• Aquatic Ecosystem

Multiple Choice

The taiga is a ___________.

• Terrestrial Ecosystem

• Aquatic Ecosystem

Multiple Choice

The pond is a ___________.

• Terrestrial Ecosystem

• Aquatic Ecosystem

Multiple Choice

Coral reefs are a saltwater ecosystem

• True

• False

Multiple Choice

Rivers are in constant movement and they are freshwater ecosystems

• True

• False

Multiple Choice

Lakes are in constant movement.

• True

• False

Multiple Choice

Which is NOT a type of aquatic ecosystem?

• ocean
• estuary
• monastery
• wetland

Multiple Choice

Temperature, sunlight and oxygen are examples of ____ factors.

• abiotic

• biotic

Multiple Choice

Which is NOT a freshwater ecosystem?

• stream
• lake
• ocean
• river

Multiple Choice

Aquatic ecosystem that has a thin layer of water covering soil that is wet most of the time is called ____.

• wetland

• estuary

• lake

• puddle

Multiple Choice

This is the ocean shore between the lowest low tide and the highest high tide.

• estuary

• intermoon zone

• shore erosion

• intertidal zone