Question 1

The ecosystem that would most likely have a very high net primary productivity is a:

Accepted Answer

A) Desert 
B) Tropical rain forest 
C) Temperate forest 
D) Boreal forest 
E) Tundra 
A) Desert 
B) Tropical rain forest 
C) Temperate forest 
D) Boreal forest 
E) Tundra

Question 2

If there are 10,000 calories of net primary productivity in a field,how much on average will be available to a secondary consumer?

Accepted Answer

A) 1000 calories 
B) 100 calories 
C) 10,000 calories 
D) 10 calories 
E) 1 calorie 
A) 1000 calories 
B) 100 calories 
C) 10,000 calories 
D) 10 calories 
E) 1 calorie

Question 3

figure 37.19  
-What did the scientists conclude from figure 37.19?

Accepted Answer

A) Plants survived the heat best with virus-infected fungi 
B) Plants survived the heat best with virus-free fungi 
C) Plants survived the heat best without fungi 
D) Plants survived the heat best when infected by the virus 
E) Plants survived the heat best when not infected by the virus 
A) Plants survived the heat best with virus-infected fungi 
B) Plants survived the heat best with virus-free fungi 
C) Plants survived the heat best without fungi 
D) Plants survived the heat best when infected by the virus 
E) Plants survived the heat best when not infected by the virus

Question 4

Decomposers:

Accepted Answer

A) Obtain nutrients from detritus 
B) Return organic molecules to their inorganic form 
C) Include bacteria 
D) Include fungi 
E) All are correct 
A) Obtain nutrients from detritus 
B) Return organic molecules to their inorganic form 
C) Include bacteria 
D) Include fungi 
E) All are correct

Question 5

Raw sewage within a water ecosystem can cause fish kills because respiration by the microbes in the sewage reduces the concentration of oxygen within the water.

Accepted Answer

A) True 
 B)False

Question 6

An organism that can use energy and inorganic substances to produce all the organic material it requires is a(an):

Accepted Answer

A) Producer and heterotroph 
B) Heterotroph 
C) Autotroph and producer 
D) Autotroph 
E) Producer 
A) Producer and heterotroph 
B) Heterotroph 
C) Autotroph and producer 
D) Autotroph 
E) Producer

Exam 37: Communities and Ecosystems

The ecosystem that would most likely have a very high net primary productivity is a:

If there are 10,000 calories of net primary productivity in a field,how much on average will be available to a secondary consumer?

figure 37.19 -What did the scientists conclude from figure 37.19?

Decomposers:

Raw sewage within a water ecosystem can cause fish kills because respiration by the microbes in the sewage reduces the concentration of oxygen within the water.

An organism that can use energy and inorganic substances to produce all the organic material it requires is a(an):

What Is Life

The Chemistry of Life

The Dynamic Cell

The Energy of Life

Photosynthesis

How Cells Release Energy

Dna Structure and Gene Function

Dna Replication, mitosis and the Cell Cycle

Sexual Reproduction and Meiosis

Patterns of Inheritance

The Forces of Evolutionary Change

Evidence for Evolution

Speciation and Extinction

The Origin and History of Life

Viruses

Bacteria and Archaea

Protists

Plants

Fungi

Animals

Plant Form and Function

Plant Nutrition and Transport

Reproduction and Development of Flowering Plants

Animal Tissues, organ Systems and Homeostasis

The Nervous System

The Senses Content

The Endocrine System

The Musculoskeletal System

The Circulatory System

The Respiratory System

Digestion and Animal Nutrition

Regulation of Temperature and Body Fluids

The Immune System

Animal Reproduction and Development

Animal Behavior

Populations

The Biosphere

Conserving Biodiversity

Filters