Question 1

Species evenness is an important measure of diversity in an ecosystem.

Accepted Answer

A) True 
 B)False  True

Question 2

All the organisms plus the nonliving components of a defined area is a(n)

Accepted Answer

A)  population. 
B)  community. 
C)  ecosystem. 
D)  habitat. 
E)  niche. 
A)  population. 
B)  community. 
C)  ecosystem. 
D)  habitat. 
E)  niche. C

Question 3

Coral obtains energy

Accepted Answer

A)  by capturing and digesting small animals and through symbiosis with photosynthetic algae. 
B)  by capturing and digesting small animals. 
C)  through symbiosis with photosynthetic algae. 
D)  by performing photosynthesis. 
E)  by performing photosynthesis and capturing and digesting small animals. 
A)  by capturing and digesting small animals and through symbiosis with photosynthetic algae. 
B)  by capturing and digesting small animals. 
C)  through symbiosis with photosynthetic algae. 
D)  by performing photosynthesis. 
E)  by performing photosynthesis and capturing and digesting small animals. A

Question 4

A network of interconnected food chains is a food web.

Accepted Answer

A) True 
 B)False

Question 5

A flowering plant and a bird which occasionally perches on its branches are not likely to coevolve.

Accepted Answer

A) True 
 B)False

Question 6

As temperatures in an African savanna increase and rainfall decreases,it would most likely change into

Accepted Answer

A)  taiga. 
B)  desert. 
C)  tropical rainforest. 
D)  temperate forest. 
E)  tundra. 
A)  taiga. 
B)  desert. 
C)  tropical rainforest. 
D)  temperate forest. 
E)  tundra.

Question 7

Which item helps compose a living thing rather then being a major component of soil?

Accepted Answer

A)  rock fragments 
B)  organic matter 
C)  microbes 
D)  bacteria 
E)  chloroplasts 
A)  rock fragments 
B)  organic matter 
C)  microbes 
D)  bacteria 
E)  chloroplasts

Question 8

What is a challenge that organisms living in an intertidal zone face that other aquatic organisms normally do not face?

Accepted Answer

A)  damage from pollution 
B)  changes in temperature at different depths 
C)  movement of water 
D)  light penetrating only through the photic zone 
E)  daily changes in water depth 
A)  damage from pollution 
B)  changes in temperature at different depths 
C)  movement of water 
D)  light penetrating only through the photic zone 
E)  daily changes in water depth

Question 9

When two or more species vie for the same limited resource,________ occurs.

Accepted Answer

A)  succession 
B)  symbiosis 
C)  coevolution 
D)  stotting 
E)  competition 
A)  succession 
B)  symbiosis 
C)  coevolution 
D)  stotting 
E)  competition

Question 10

Based on the 10% rule,if there are 10,000 calories of net primary productivity in an ecosystem,how much energy will be generally available to a primary consumer?

Accepted Answer

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

Question 11

-Within convection cells,warm moist air rises from the equator and descends at 20-30 degrees from the equator.Convection cells are partially responsible for the distribution of which two biomes?

Accepted Answer

A)  tropical rain forests and temperate grasslands 
B)  boreal forests and subtropical deserts 
C)  tropical rain forests and subtropical deserts 
D)  tropical rain forests and arctic tundra 
E)  boreal forests and temperate forests 
A)  tropical rain forests and temperate grasslands 
B)  boreal forests and subtropical deserts 
C)  tropical rain forests and subtropical deserts 
D)  tropical rain forests and arctic tundra 
E)  boreal forests and temperate forests

Question 12

In this system,mercury released from coal-burning power plants would be at the highest concentration in

Accepted Answer

A)  the phytoplankton. 
B)  the zooplankton. 
C)  the minnows. 
D)  the walleye pike fish. 
E)  The amount of mercury would be the same in all organisms. 
A)  the phytoplankton. 
B)  the zooplankton. 
C)  the minnows. 
D)  the walleye pike fish. 
E)  The amount of mercury would be the same in all organisms.

Question 13

A genetic change in one species that selects for a subsequent change in a different species is termed

Accepted Answer

A)  coevolution. 
B)  genetic dispersion. 
C)  gene dynamics. 
D)  competitive exclusion. 
E)  evolutionary dynamics. 
A)  coevolution. 
B)  genetic dispersion. 
C)  gene dynamics. 
D)  competitive exclusion. 
E)  evolutionary dynamics.

Question 14

Abiotic components of an ecosystem include

Accepted Answer

A)  living components only. 
B)  both nonliving and living components. 
C)  only plant life. 
D)  nonliving components only. 
E)  only animal life. 
A)  living components only. 
B)  both nonliving and living components. 
C)  only plant life. 
D)  nonliving components only. 
E)  only animal life.

Question 15

Which of the following is not a characteristic of eutrophication?

Accepted Answer

A)  It is caused by sewage entering into waterways. 
B)  It is caused by fertilizers entering into waterways 
C)  It can result in massive fish kills. 
D)  It can result in algae blooms. 
E)  All of the answer choices are characteristics of eutrophication. 
A)  It is caused by sewage entering into waterways. 
B)  It is caused by fertilizers entering into waterways 
C)  It can result in massive fish kills. 
D)  It can result in algae blooms. 
E)  All of the answer choices are characteristics of eutrophication.

Question 16

Nitrogen-fixing bacteria in the roots of soybeans help provide a source of nitrogen to the plants,and in exchange,the bacteria obtain food from the plants.Which type of interaction is this?

Accepted Answer

A)  mutualism 
B)  commensalism 
C)  parasitism 
D)  predation 
E)  herbivory 
A)  mutualism 
B)  commensalism 
C)  parasitism 
D)  predation 
E)  herbivory

Question 17

Species richness is an important measure of diversity in an ecosystem.

Accepted Answer

A) True 
 B)False

Question 18

The major types of ecosystems are termed

Accepted Answer

A)  habitats. 
B)  niches. 
C)  biospheres. 
D)  terrestrial zones. 
E)  biomes. 
A)  habitats. 
B)  niches. 
C)  biospheres. 
D)  terrestrial zones. 
E)  biomes.

Question 19

You go to the Boundary Waters Canoe Area (BWCA) in Northern Minnesota. This ecosystem contains mostly coniferous and a few deciduous trees. It has mild winters and cool summers. It also receives plenty of rainfall.
-The Boundary Waters Canoe Area (BWCA)is an example of which biome?

Accepted Answer

A)  temperate coniferous forest 
B)  tropical rainforest 
C)  short grass prairie 
D)  tundra 
E)  temperate rainforest 
A)  temperate coniferous forest 
B)  tropical rainforest 
C)  short grass prairie 
D)  tundra 
E)  temperate rainforest

Question 20

Which two parameters most influence the location of biomes?

Accepted Answer

A)  altitude and latitude 
B)  latitude and temperature 
C)  temperature and precipitation 
D)  precipitation and altitude 
E)  precipitation and latitude 
A)  altitude and latitude 
B)  latitude and temperature 
C)  temperature and precipitation 
D)  precipitation and altitude 
E)  precipitation and latitude

Exam 19: Communities and Ecosystems

Species evenness is an important measure of diversity in an ecosystem.

All the organisms plus the nonliving components of a defined area is a(n)

Coral obtains energy

A network of interconnected food chains is a food web.

A flowering plant and a bird which occasionally perches on its branches are not likely to coevolve.

As temperatures in an African savanna increase and rainfall decreases,it would most likely change into

Which item helps compose a living thing rather then being a major component of soil?

What is a challenge that organisms living in an intertidal zone face that other aquatic organisms normally do not face?

When two or more species vie for the same limited resource,________ occurs.

Based on the 10% rule,if there are 10,000 calories of net primary productivity in an ecosystem,how much energy will be generally available to a primary consumer?

-Within convection cells,warm moist air rises from the equator and descends at 20-30 degrees from the equator.Convection cells are partially responsible for the distribution of which two biomes?

In this system,mercury released from coal-burning power plants would be at the highest concentration in

A genetic change in one species that selects for a subsequent change in a different species is termed

Abiotic components of an ecosystem include

Which of the following is not a characteristic of eutrophication?

Nitrogen-fixing bacteria in the roots of soybeans help provide a source of nitrogen to the plants,and in exchange,the bacteria obtain food from the plants.Which type of interaction is this?

Species richness is an important measure of diversity in an ecosystem.

The major types of ecosystems are termed

You go to the Boundary Waters Canoe Area (BWCA) in Northern Minnesota. This ecosystem contains mostly coniferous and a few deciduous trees. It has mild winters and cool summers. It also receives plenty of rainfall. -The Boundary Waters Canoe Area (BWCA)is an example of which biome?

Which two parameters most influence the location of biomes?

The Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

Respiration and Fermentation

DNA Structure and Gene Function

DNA Replication,Binary Fission,and Mitosis

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Populations

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

The Digestive and Urinary Systems

The Immune System

Animal Reproduction and Development

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