Aquatic Ecosystems

Front

What are the two types of aquatic ecosystems?

Back

Freshwater biomes and marine biomes.

Front

What percentage of Earth's water is fresh water?

Back

3%.

Front

What adaptations do organisms like the giant squid and anglerfish have for life in the deep zone?

Back

They are adapted to survive in dark, high-pressure environments.

Front

What nonliving factors affect all aquatic ecosystems?

Back

Sunlight, temperature, oxygen, and salt content.

Front

What is the neritic zone?

Back

A region of shallow water where many living things, such as algae and schools of fish, live.

Front

What is the primary source of energy for aquatic ecosystems?

Back

Sunlight.

Front

How does temperature affect aquatic ecosystems?

Back

Temperature influences the metabolic rates of organisms and the solubility of oxygen in water.

Front

What role does oxygen play in aquatic ecosystems?

Back

Oxygen is essential for the survival of most aquatic organisms.

Front

What is the difference between freshwater and marine biomes?

Back

Freshwater biomes have low salt concentration, while marine biomes have high salt concentration.

Front

What are some examples of freshwater ecosystems?

Back

Lakes, rivers, ponds, and wetlands.