Question 1

What are estuaries?

Accepted Answer

A)  a type of freshwater biome 
B)  areas near the start of a river 
C)  regions where ocean meets land 
D)  a transition area between a river and the ocean 
A)  a type of freshwater biome 
B)  areas near the start of a river 
C)  regions where ocean meets land 
D)  a transition area between a river and the ocean D

Question 2

Aquatic organisms ______.

Accepted Answer

A)  have a waxy coating to prevent water loss 
B)  may experience problems with water balance 
C)  typically have a plentiful supply of nitrogen 
D)  never find light to be in short supply 
A)  have a waxy coating to prevent water loss 
B)  may experience problems with water balance 
C)  typically have a plentiful supply of nitrogen 
D)  never find light to be in short supply B

Question 3

Which of the following is a behavioral response to environmental variability?

Accepted Answer

A)  migrating to a different location 
B)  acclimation 
C)  endothermy 
D)  "flagging" by trees 
A)  migrating to a different location 
B)  acclimation 
C)  endothermy 
D)  "flagging" by trees A

Question 4

Most of the temperate grassland in North America has been converted to ______.

Accepted Answer

A)  cities 
B)  farmland 
C)  national parks 
D)  suburbs 
A)  cities 
B)  farmland 
C)  national parks 
D)  suburbs

Question 5

Wetlands ______.

Accepted Answer

A)  are important in improving water quality 
B)  include rivers, streams, ponds, and lakes 
C)  are an example of a marine biome 
D)  are found in the intertidal zone 
A)  are important in improving water quality 
B)  include rivers, streams, ponds, and lakes 
C)  are an example of a marine biome 
D)  are found in the intertidal zone

Question 6

Which nutrients often limit the distribution and abundance of photosynthetic organisms?

Accepted Answer

A)  water and oxygen 
B)  nitrogen and phosphorus 
C)  carbon dioxide and nitrogen 
D)  water and carbon dioxide 
A)  water and oxygen 
B)  nitrogen and phosphorus 
C)  carbon dioxide and nitrogen 
D)  water and carbon dioxide

Question 7

What fraction of Earth's surface has been altered by human use?

Accepted Answer

A)  25% 
B)  50% 
C)  75% 
D)  95% 
A)  25% 
B)  50% 
C)  75% 
D)  95%

Question 8

In the oceans,global warming has ______.

Accepted Answer

A)  decreased the amount of oxygen available 
B)  benefited corals 
C)  made the water more basic 
D)  made the water more acidic 
A)  decreased the amount of oxygen available 
B)  benefited corals 
C)  made the water more basic 
D)  made the water more acidic

Question 9

What level of ecology is concerned with groups of individuals of different species?

Accepted Answer

A)  community 
B)  organism 
C)  ecosystem 
D)  population 
A)  community 
B)  organism 
C)  ecosystem 
D)  population

Question 10

Which of the following is abiotic?

Accepted Answer

A)  a protist 
B)  a plant 
C)  a fungus 
D)  a rock 
A)  a protist 
B)  a plant 
C)  a fungus 
D)  a rock

Question 11

The effect of deforestation has been to ______.

Accepted Answer

A)  decrease the amount of carbon dioxide in the atmosphere 
B)  increase the amount of carbon dioxide in the atmosphere 
C)  increase the rate at which carbon dioxide is incorporated into organic material 
D)  increase the rate of carbon dioxide production through cellular respiration 
A)  decrease the amount of carbon dioxide in the atmosphere 
B)  increase the amount of carbon dioxide in the atmosphere 
C)  increase the rate at which carbon dioxide is incorporated into organic material 
D)  increase the rate of carbon dioxide production through cellular respiration

Question 12

What term applies to the physical and physiological changes experienced by astronauts who spend months in space?

Accepted Answer

A)  acclimation 
B)  adaptation 
C)  cosmosation 
D)  accreditation 
A)  acclimation 
B)  adaptation 
C)  cosmosation 
D)  accreditation

Question 13

What is a population?

Accepted Answer

A)  a group of organisms living in a particular geographic area 
B)  a group of organisms of the same species living in a particular geographic area 
C)  a community as well as all the abiotic factors in a particular geographic area 
D)  all of the organisms of a species existing at a particular time 
A)  a group of organisms living in a particular geographic area 
B)  a group of organisms of the same species living in a particular geographic area 
C)  a community as well as all the abiotic factors in a particular geographic area 
D)  all of the organisms of a species existing at a particular time

Question 14

In an aquatic ecosystem,what name is given to the region where photosynthesis can occur?

Accepted Answer

A)  pelagic zone 
B)  aphotic zone 
C)  benthic zone 
D)  photic zone 
A)  pelagic zone 
B)  aphotic zone 
C)  benthic zone 
D)  photic zone

Question 15

What name is given to the seafloor?

Accepted Answer

A)  pelagic realm 
B)  intertidal zone 
C)  benthic realm 
D)  aphotic zone 
A)  pelagic realm 
B)  intertidal zone 
C)  benthic realm 
D)  aphotic zone

Question 16

Which of the following organisms are not ultimately dependent on sunlight for energy?

Accepted Answer

A)  species that live in hydrothermal vent habitats 
B)  predators 
C)  marine species that live in the aphotic zone 
D)  bacteria that feed on dead organic matter 
A)  species that live in hydrothermal vent habitats 
B)  predators 
C)  marine species that live in the aphotic zone 
D)  bacteria that feed on dead organic matter

Question 17

Which of these biomes is one of the most biologically productive of all biomes?

Accepted Answer

A)  open oceans 
B)  estuaries 
C)  temperate grasslands 
D)  coniferous forests 
A)  open oceans 
B)  estuaries 
C)  temperate grasslands 
D)  coniferous forests

Question 18

Which of these is a community?

Accepted Answer

A)  all of the Staphlococcus aureus (a species of bacteria) living on your skin 
B)  all of the organisms living in your home 
C)  all of the people living in your neighborhood 
D)  all of the nut grass (considered a weed) in my backyard 
A)  all of the Staphlococcus aureus (a species of bacteria) living on your skin 
B)  all of the organisms living in your home 
C)  all of the people living in your neighborhood 
D)  all of the nut grass (considered a weed) in my backyard

Question 19

What name is given to the open ocean?

Accepted Answer

A)  pelagic realm 
B)  intertidal zone 
C)  benthic realm 
D)  photic zone 
A)  pelagic realm 
B)  intertidal zone 
C)  benthic realm 
D)  photic zone

Question 20

What is one important difference between savannas and temperate grasslands?

Accepted Answer

A)  Savannas only rarely experience fires 
B)  Savannas have trees 
C)  Savannas are inhabited by grazing mammals 
D)  Savannas have very fertile soil 
A)  Savannas only rarely experience fires 
B)  Savannas have trees 
C)  Savannas are inhabited by grazing mammals 
D)  Savannas have very fertile soil

Exam 18: An Introduction to Ecology and the Biosphere

What are estuaries?

Aquatic organisms ______.

Which of the following is a behavioral response to environmental variability?

Most of the temperate grassland in North America has been converted to ______.

Wetlands ______.

Which nutrients often limit the distribution and abundance of photosynthetic organisms?

What fraction of Earth's surface has been altered by human use?

In the oceans,global warming has ______.

What level of ecology is concerned with groups of individuals of different species?

Which of the following is abiotic?

The effect of deforestation has been to ______.

What term applies to the physical and physiological changes experienced by astronauts who spend months in space?

What is a population?

In an aquatic ecosystem,what name is given to the region where photosynthesis can occur?

What name is given to the seafloor?

Which of the following organisms are not ultimately dependent on sunlight for energy?

Which of these biomes is one of the most biologically productive of all biomes?

Which of these is a community?

What name is given to the open ocean?

What is one important difference between savannas and temperate grasslands?

Introduction- Biology Today

Essential Chemistry for Biology

The Molecules of Life

A Tour of the Cell

The Working Cell

Cellular Respiration: Obtaining Energy from Food

Photosynthesis: Using Light to Make Food

Cellular Reproduction: Cells from Cells

Patterns of Inheritance

The Structure and Function of DNA

How Genes Are Controlled

DNA Technology

How Populations Evolve

How Biological Diversity Evolves

The Evolution of Microbial Life

Plants, Fungi, and the Move onto Land

The Evolution of Animals

Population Ecology

Communities and Ecosystems

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Circulation and Respiration

The Body's Defenses

Hormones

Reproduction and Development

Nervous, Sensory, and Locomotor Systems

The Life of a Flowering Plant

The Working Plant

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