Topic Test Answers

Which of the following is not a true statement regarding lakes?

Which of the following is a way that humans impact rivers and streams?

Due to decreased light penetration, which area of rivers and streams will have less diversity of plant life?

The effects of agriculture and industry can be more harmful with the further loss of wetlands.

An increase in the number of phytoplankton in an aquatic ecosystem is always beneficial.

Which of the following factors is least influential in affecting the biodiversity of wetlands?

Which of the following is not a characteristic of rivers and streams?

Eutrophication is caused by _______.

What characteristic is important for plants found in saltwater wetlands?

Location plays a role in wetland type, but is not the sole determining factor.

Fish that feed on sediment will most likely be found in _______ rivers.

Riparian zones can reduce the impact of water pollution.

The damage caused by hurricane Katrina took the form of _______.

Which of the following is not a human use of wetlands?

Which of the following best describes how levees impact wetlands?

The main difference between ponds and lakes is that ponds _______.

Based on the widespread use of levees along the Mississippi River, the wetlands along the Louisiana coastline are _______.

How do wetlands reduce flooding and erosion?

The abundance and variety of foods available in wetlands is a large contributor to their biodiversity.

Rooted aquatic plants can be found in areas with lower sunlight exposure.