2025 Aquatic Science Spring Final Exam Review

Front

What are estuaries?

Back

Estuaries are areas where rivers meet the sea, characterized by a mix of freshwater and saltwater.

Front

What are wetlands?

Back

Wetlands are areas of land that are regularly saturated with water, supporting diverse ecosystems.

Front

How do aquatic organisms obtain oxygen from water?

Back

Aquatic organisms use gills to extract dissolved oxygen from the water.

Front

Why do some fish have eyespots in their coloration?

Back

Eyespots help camouflage the fish from predators, providing a survival advantage.

Front

What is a key characteristic of the class Mammalia?

Back

Mammalia are characterized by the ability to produce milk.

Front

What is the primary function of gills in fish?

Back

Gills allow fish to extract oxygen from water.

Front

What type of ecosystem is characterized by both freshwater and saltwater?

Back

An estuary is characterized by both freshwater and saltwater.

Front

What is the significance of wetlands in the environment?

Back

Wetlands provide critical habitats for wildlife, help filter pollutants, and mitigate flooding.

Front

What is the difference between Agnatha and Osteichthyes?

Back

Agnatha are jawless fish, while Osteichthyes are bony fish with jaws.

Front

What role do eyespots play in fish survival?

Back

Eyespots can confuse predators and help fish avoid being eaten.