What is an ecosystem?

• A type of weather

• A type of plant

• A complex web of relationships between living and non-living things

• A kind of animal

Which of the following is a type of aquatic ecosystem in Texas?

• Rivers and streams

• Mountains

• Forests

• Deserts

What is biodiversity?

• The variety and number of different species and populations

• The amount of water in a lake

• The speed of a river

• The height of a mountain

How do humans impact aquatic ecosystems?

• By singing to fish

• By building houses

• By draining wetlands and damming rivers

• By planting trees

What is the Gulf of Mexico?

• A large desert

• A type of tree

• The ninth largest body of water in the world

• A mountain range

Define Estuaries:

Define Dams:

Define Reserviors:

_____—a wetland dominated by reeds and other grass-like plants.

_____—a wetland in which trees or woody shrubs predominate.