Question 1

In the water cycle,animals return water to the environment by

Accepted Answer

A)  both transpiration and excretion. 
B)  excretion only. 
C)  transpiration only. 
D)  both respiration and excretion. 
A)  both transpiration and excretion. 
B)  excretion only. 
C)  transpiration only. 
D)  both respiration and excretion.

Question 2

The taiga

Accepted Answer

A)  consists of mostly coniferous trees. 
B)  has nutrient-rich soil. 
C)  has a long growing season. 
D)  is warm and dry. 
E)  consists of mosses and lichens. 
A)  consists of mostly coniferous trees. 
B)  has nutrient-rich soil. 
C)  has a long growing season. 
D)  is warm and dry. 
E)  consists of mosses and lichens.

Question 3

The chaparral has cool summers with constant rainfall.

Accepted Answer

A) True 
 B)False

Question 4

Trees that lose only a few leaves at a time are

Accepted Answer

A)  deciduous trees. 
B)  carnivorous trees. 
C)  maple trees. 
D)  hickory trees. 
E)  coniferous trees. 
A)  deciduous trees. 
B)  carnivorous trees. 
C)  maple trees. 
D)  hickory trees. 
E)  coniferous trees.

Question 5

The reliance of a plant on one type of insect for pollination and that insect having only the nectar of that plant as its food source is an example of coevolution.

Accepted Answer

A) True 
 B)False

Question 6

A food chain is a series of organisms that

Accepted Answer

A)  transfer energy through feeding relationships. 
B)  compete for the same food source. 
C)  exhibit mutualism with each other. 
D)  exhibit parasitism with each other. 
E)  succeed one another as a climax community develops. 
A)  transfer energy through feeding relationships. 
B)  compete for the same food source. 
C)  exhibit mutualism with each other. 
D)  exhibit parasitism with each other. 
E)  succeed one another as a climax community develops.

Question 7

Parasitism is a symbiotic relationship in which neither member of the relationship benefits.

Accepted Answer

A) True 
 B)False

Question 8

Raw sewage affects nutrient flow through an ecosystem more than energy flow.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is not a type of symbiosis?

Accepted Answer

A)  parasitism 
B)  mutualism 
C)  commensalism 
D)  predation 
E)  No answer is correct. 
A)  parasitism 
B)  mutualism 
C)  commensalism 
D)  predation 
E)  No answer is correct.

Question 10

If a person takes an antibiotic for a bacterial infection,this can reduce the amount of bacteria in their normal microbiota and allow yeast in their genitourinary tract to flourish,which could result in a yeast infection.This is an example of

Accepted Answer

A)  predation. 
B)  symbiosis. 
C)  the competitive exclusion principle. 
D)  the co-inclusion principle. 
E)  endosymbiosis. 
A)  predation. 
B)  symbiosis. 
C)  the competitive exclusion principle. 
D)  the co-inclusion principle. 
E)  endosymbiosis.

Question 11

Water covers about ________ of the Earth's surface.

Accepted Answer

A)  33% 
B)  40% 
C)  50% 
D)  70% 
E)  80% 
A)  33% 
B)  40% 
C)  50% 
D)  70% 
E)  80%

Question 12

Why are estuaries and coral reefs more productive than deeper regions of the ocean?

Accepted Answer

A)  They have more access to light and nutrients. 
B)  They have more access to light and lower salt concentrations in the water. 
C)  They have more access to light. 
D)  They have more access to nutrients and lower salt concentrations in the water. 
E)  They have lower salt concentrations in the water. 
A)  They have more access to light and nutrients. 
B)  They have more access to light and lower salt concentrations in the water. 
C)  They have more access to light. 
D)  They have more access to nutrients and lower salt concentrations in the water. 
E)  They have lower salt concentrations in the water.

Question 13

The concentration of the pesticide DDT is likely highest in which organism?

Accepted Answer

A)  a minnow 
B)  a mosquito larva 
C)  a seagull 
D)  plankton 
E)  algae 
A)  a minnow 
B)  a mosquito larva 
C)  a seagull 
D)  plankton 
E)  algae

Question 14

An example of a keystone species is a root-associated fungus that conifer trees need in order to survive and also supplies food for rodents.

Accepted Answer

A) True 
 B)False

Question 15

In ________,multiple species use the same resource in a slightly different way or at a different time.

Accepted Answer

A)  symbiotic inclusion 
B)  resource partitioning 
C)  mutualism 
D)  intraspecific competition 
E)  No answer is correct. 
A)  symbiotic inclusion 
B)  resource partitioning 
C)  mutualism 
D)  intraspecific competition 
E)  No answer is correct.

Question 16

The area where the fresh water of a river meets the salt water of the ocean is a(n)

Accepted Answer

A)  intertidal zone. 
B)  continental shelf. 
C)  hydrothermal vent. 
D)  open ocean. 
E)  estuary. 
A)  intertidal zone. 
B)  continental shelf. 
C)  hydrothermal vent. 
D)  open ocean. 
E)  estuary.

Question 17

If you were to shine a lightbulb on a puddle,and the water in the puddle disappeared,you would say that you had added energy to the puddle and had seen

Accepted Answer

A)  sublimation. 
B)  condensation. 
C)  convection. 
D)  evaporation. 
E)  All answers are correct. 
A)  sublimation. 
B)  condensation. 
C)  convection. 
D)  evaporation. 
E)  All answers are correct.

Question 18

Walleye pike fish are what?

Accepted Answer

A)  secondary consumers 
B)  tertiary consumers 
C)  primary consumers 
D)  producers 
E)  decomposers 
A)  secondary consumers 
B)  tertiary consumers 
C)  primary consumers 
D)  producers 
E)  decomposers

Question 19

Competitive exclusion says that two species trying to occupy the same niche in the same ecosystem will not be able to do so indefinitely,one species ultimately outcompeting the other.

Accepted Answer

A) True 
 B)False

Question 20

The yearly rainfall of a desert biome is

Accepted Answer

A)  150 to 200 centimeters per year. 
B)  more than 300 centimeters per year. 
C)  less than 20 centimeters per year. 
D)  more than 200 centimeters per year. 
E)  50 to 100 centimeters per year. 
A)  150 to 200 centimeters per year. 
B)  more than 300 centimeters per year. 
C)  less than 20 centimeters per year. 
D)  more than 200 centimeters per year. 
E)  50 to 100 centimeters per year.

Exam 19: Communities and Ecosystems

In the water cycle,animals return water to the environment by

The taiga

The chaparral has cool summers with constant rainfall.

Trees that lose only a few leaves at a time are

The reliance of a plant on one type of insect for pollination and that insect having only the nectar of that plant as its food source is an example of coevolution.

A food chain is a series of organisms that

Parasitism is a symbiotic relationship in which neither member of the relationship benefits.

Raw sewage affects nutrient flow through an ecosystem more than energy flow.

Which of the following is not a type of symbiosis?

If a person takes an antibiotic for a bacterial infection,this can reduce the amount of bacteria in their normal microbiota and allow yeast in their genitourinary tract to flourish,which could result in a yeast infection.This is an example of

Water covers about ________ of the Earth's surface.

Why are estuaries and coral reefs more productive than deeper regions of the ocean?

The concentration of the pesticide DDT is likely highest in which organism?

An example of a keystone species is a root-associated fungus that conifer trees need in order to survive and also supplies food for rodents.

In ________,multiple species use the same resource in a slightly different way or at a different time.

The area where the fresh water of a river meets the salt water of the ocean is a(n)

If you were to shine a lightbulb on a puddle,and the water in the puddle disappeared,you would say that you had added energy to the puddle and had seen

Walleye pike fish are what?

Competitive exclusion says that two species trying to occupy the same niche in the same ecosystem will not be able to do so indefinitely,one species ultimately outcompeting the other.

The yearly rainfall of a desert biome is

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