Aquatic Science Unit 5 Pre Test

Front

What factor of water affects the type of organisms found in aquatic ecosystems?

Back

Salinity

Front

What does salinity refer to?

Back

How much salt is in the water.

Front

True or False: All Texas aquatic ecosystems are connected.

Back

True

Front

What is the term for an increase in the amount of nutrients in an aquatic ecosystem?

Back

Eutrophication

Front

Which of the following is not a freshwater ecosystem: marshes, lakes, estuary, rivers?

Back

Estuary

Front

Define aquatic ecosystem.

Back

A water-based environment where organisms interact with each other and their surroundings.

Front

What is the primary source of salinity in aquatic ecosystems?

Back

Dissolved salts from rocks and soil.

Front

Explain the process of eutrophication.

Back

Eutrophication is the enrichment of water bodies with nutrients, leading to excessive growth of algae.

Front

What are the effects of high salinity on aquatic life?

Back

High salinity can lead to osmotic stress, affecting the survival of freshwater organisms.

Front

Name two types of aquatic ecosystems.

Back

Freshwater ecosystems and marine ecosystems.