Unit 2 Test Lotic, Lentic, Invertebrates

What are the major freshwater ecosystems?

• Lotic and Lentic

• Ocean and Streams

• Lakes and ponds

• Marshes and Great Lakes

Lotic means

• flowing

• still

• freshwater

• saltwater

Lentic means

• flowing

• still

• freshwater

• saltwater

Erosional zones have

• low velocity water

• high velocity water

• very deep waters

• no place in lotic systems

Which describes a riparian zone?

• Vegetated buffer between lands and rivers

• Shallow portion with fast water

• Slow moving nonturbulent water

• Outer bank where flow is high

Which describes a riffle?

• Vegetated buffer between lands and rivers

• Shallow portion with fast water

• Slow moving nonturbulent water

• Outer bank where flow is high

Which describes a glide?

• Vegetated buffer between lands and rivers

• Shallow portion with fast water

• Slow moving nonturbulent water

• Outer bank where flow is high

Which describes an erosional zone?

• Vegetated buffer between lands and rivers

• Shallow portion with fast water

• Slow moving nonturbulent water

• Outer bank where flow is high

Which of the following is NOT a lentic ecosytem

• Lakes

• Ponds

• Wetlands

• Rivers

What is eutrophic?

• High nutrients

• Low nutrients

• Mild nutrients

• High-mild nutrients