Question 1

In which location would you expect to find the highest levels of dissolved oxygen?

Accepted Answer

A)  deep ocean water 
B)  a freshwater bog 
C)  a landlocked lake 
D)  a fast, shallow river 
A)  deep ocean water 
B)  a freshwater bog 
C)  a landlocked lake 
D)  a fast, shallow river

Question 2

What concept does the graph illustrate? Explain why it is important.

Accepted Answer

The answer of What concept does the graph illustrate? Explain...

Question 3

Anaerobic conditions

Accepted Answer

A)  decrease photosynthesis. 
B)  are due to increased pH. 
C)  decrease the diffusion of oxygen. 
D)  are more common in deep water than in the shallows. 
A)  decrease photosynthesis. 
B)  are due to increased pH. 
C)  decrease the diffusion of oxygen. 
D)  are more common in deep water than in the shallows.

Question 4

Ammonia is a by-product of

Accepted Answer

A)  digesting proteins. 
B)  absorbing excess salts. 
C)  excreting urea. 
D)  active uptake in gills. 
A)  digesting proteins. 
B)  absorbing excess salts. 
C)  excreting urea. 
D)  active uptake in gills.

Question 5

The intricately designed shells of the algae known as diatoms are made up of which minor nutrient?

Accepted Answer

A)  magnesium 
B)  calcium 
C)  iron 
D)  silica 
A)  magnesium 
B)  calcium 
C)  iron 
D)  silica

Question 6

You are studying a small stream and find that its pH is 4.5. What does this tell you about the stream, and what might be the cause?

Accepted Answer

A pH of 4.5 indicates that the stream is

Question 7

Which of the nutrients listed below is NOT required by all organisms?

Accepted Answer

A)  nitrogen 
B)  phosphorus 
C)  potassium 
D)  sulfur 
E)  silicon 
A)  nitrogen 
B)  phosphorus 
C)  potassium 
D)  sulfur 
E)  silicon

In which location would you expect to find the highest levels of dissolved oxygen?

What concept does the graph illustrate? Explain why it is important.

Anaerobic conditions

Ammonia is a by-product of

The intricately designed shells of the algae known as diatoms are made up of which minor nutrient?

You are studying a small stream and find that its pH is 4.5. What does this tell you about the stream, and what might be the cause?

Which of the nutrients listed below is NOT required by all organisms?

Introduction: Ecology, Evolution, and the Scientific Method

Adaptations to Terrestrial Environments

Adaptations to Variable Environments

Climates and Soils

Terrestrial and Aquatic Biomes

Evolution and Adaptation

Life Histories

Reproductive Strategies

Social Behaviors

Population Distributions

Population Growth and Regulation

Population Dynamics Over Space and Time

Predation and Herbivory

Parasitism and Infectious Diseases

Competition

Mutualism

Community Structure

Community Succession

Movement of Energy in Ecosystems

Movement of Elements in Ecosystems

Landscape Ecology and Global Biodiversity

Global Conservation of Biodiversity

Filters

Exam 2: Adaptations to Aquatic Environments

In which location would you expect to find the highest levels of dissolved oxygen?

What concept does the graph illustrate? Explain why it is important.

Anaerobic conditions

Ammonia is a by-product of

The intricately designed shells of the algae known as diatoms are made up of which minor nutrient?

You are studying a small stream and find that its pH is 4.5. What does this tell you about the stream, and what might be the cause?

Which of the nutrients listed below is NOT required by all organisms?

Introduction: Ecology, Evolution, and the Scientific Method

Adaptations to Terrestrial Environments

Adaptations to Variable Environments

Climates and Soils

Terrestrial and Aquatic Biomes

Evolution and Adaptation

Life Histories

Reproductive Strategies

Social Behaviors

Population Distributions

Population Growth and Regulation

Population Dynamics Over Space and Time

Predation and Herbivory

Parasitism and Infectious Diseases

Competition

Mutualism

Community Structure

Community Succession

Movement of Energy in Ecosystems

Movement of Elements in Ecosystems

Landscape Ecology and Global Biodiversity

Global Conservation of Biodiversity

Filters

Exam 2: Adaptations to Aquatic Environments　