Aquatic biomes

Definition

Aquatic biomes are ecosystems found in water environments, including both freshwater and marine systems. They are characterized by factors such as salinity, depth, and the flow of water.

5 Must Know Facts For Your Next Test

1. Aquatic biomes are divided into freshwater and marine categories.
2. Freshwater biomes include lakes, rivers, streams, and wetlands.
3. Marine biomes cover about 75% of Earth's surface and include oceans, coral reefs, and estuaries.
4. Salinity levels significantly influence the types of organisms that can live in aquatic biomes.
5. Aquatic biomes play a crucial role in global nutrient cycles and climate regulation.

Review Questions

• What are the two main categories of aquatic biomes?
• Name three types of freshwater biomes.
• Why is salinity an important factor in aquatic biomes?

Related terms

Freshwater Biome: Ecosystems with low salt concentration like lakes, rivers, streams, and wetlands.

Marine Biome: Ecosystems with high salt concentration including oceans, coral reefs, and estuaries.

Estuary: A coastal area where freshwater from rivers meets and mixes with saltwater from the ocean.