Question 1

A food chain is a series of organism occupying different trophic levels through which energy passes.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following best matches the description?
-Series of stages in the flow of nitrogen in ecosystems.

Accepted Answer

A) denitrifying bacteria 
B) herbivore 
C) omnivore 
D) producer 
E) trophic level
F)community
G)ectoparasite
H)limiting factor
I)none of above
J)secondary consumer
K)nitrogen cycle
L)biomass
M)habitat
N)carbon cycle
O)interspecific competition
P)nitrogen-fixing bacteria
Q)intraspecific competition

Question 3

Which of the following best matches the description?
-Parasite that lives on the outside of its host.

Accepted Answer

A) denitrifying bacteria 
B) herbivore 
C) omnivore 
D) producer 
E) trophic level
F)community
G)ectoparasite
H)limiting factor
I)none of above
J)secondary consumer
K)nitrogen cycle
L)biomass
M)habitat
N)carbon cycle
O)interspecific competition
P)nitrogen-fixing bacteria
Q)intraspecific competition

Question 4

Which of the following best matches the description?
-Stage in the flow of energy in an ecosystem.

Accepted Answer

A) denitrifying bacteria 
B) herbivore 
C) omnivore 
D) producer 
E) trophic level
F)community
G)ectoparasite
H)limiting factor
I)none of above
J)secondary consumer
K)nitrogen cycle
L)biomass
M)habitat
N)carbon cycle
O)interspecific competition
P)nitrogen-fixing bacteria
Q)intraspecific competition

Question 5

This meat eater often gets meat from animals that have died by accident or illness,or were killed by other animals.

Accepted Answer

A) scavenger 
B) omnivore 
C) carnivore 
D) parasite

Question 6

The carbon cycle is an example of how materials are cycled through ecosystems.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following best matches the description?
-An environmental condition,the absence of which,prevents the success of an organism.

Accepted Answer

A) denitrifying bacteria 
B) herbivore 
C) omnivore 
D) producer 
E) trophic level
F)community
G)ectoparasite
H)limiting factor
I)none of above
J)secondary consumer
K)nitrogen cycle
L)biomass
M)habitat
N)carbon cycle
O)interspecific competition
P)nitrogen-fixing bacteria
Q)intraspecific competition

Question 8

Among plants,a condition that results in an increase in the number of sets of chromosomes,is called

Accepted Answer

A) multi-genetics. 
B) polyploidy. 
C) diploid. 
D) haploid.

Question 9

Another name for a nutrient cycle in an ecosystem is a

Accepted Answer

A) biogeochemical cycle. 
B) menstrual cycle. 
C) hydrogen cycle. 
D) diurnal cycle.

Question 10

Symbiotic relationships are those in which organisms live in physical contact with one another.

Accepted Answer

A) True 
 B)False

Question 11

Populations are all organisms of a specific kind that live within a specific geographic region.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is an example of a keystone species?

Accepted Answer

A) bison 
B) sea kelp 
C) wolves 
D) None of these are correct.

Question 13

A new threat to the food chain in the Great Lakes is:

Accepted Answer

A) The small mouth bass 
B) The northern pike 
C) The Asian carp 
D) The yellow-perch

Question 14

Which of the following best matches the description?
-The flow of carbon from the atmosphere to living organisms and back again.

Accepted Answer

A) denitrifying bacteria 
B) herbivore 
C) omnivore 
D) producer 
E) trophic level
F)community
G)ectoparasite
H)limiting factor
I)none of above
J)secondary consumer
K)nitrogen cycle
L)biomass
M)habitat
N)carbon cycle
O)interspecific competition
P)nitrogen-fixing bacteria
Q)intraspecific competition

Question 15

Processes that remove atoms from short-term nutrient cycles and store them for a long time are known as sinks.

Accepted Answer

A) True 
 B)False

Question 16

Grazing animals and the grasses they eat have both evolved in response to each other's influence.This process is known as

Accepted Answer

A) coevolution. 
B) extinction. 
C) competitive exclusion principle. 
D) interspecific competition.

Question 17

Carbon enters the carbon cycle in the form of

Accepted Answer

A) lipids formed in photosynthesis. 
B) carbonate in rock. 
C) atmospheric carbon dioxide. 
D) decomposition of organic material.

Question 18

Tapeworms living inside the intestines of their host are an example of what type of relationship?

Accepted Answer

A) predator/prey relationship 
B) commensalism 
C) ectoparasitism 
D) endoparasitism

Question 19

The source of phosphate in the phosphorous cycle is the atmosphere.

Accepted Answer

A) True 
 B)False

Question 20

Conversion of natural ecosystems to agriculture ecosystems can lead to less carbon stored in soil and large plants such as trees.

Accepted Answer

A) True 
 B)False

Exam 5: Interactions: Environments and Organisms

A food chain is a series of organism occupying different trophic levels through which energy passes.

Which of the following best matches the description? -Series of stages in the flow of nitrogen in ecosystems.

Which of the following best matches the description? -Parasite that lives on the outside of its host.

Which of the following best matches the description? -Stage in the flow of energy in an ecosystem.

This meat eater often gets meat from animals that have died by accident or illness,or were killed by other animals.

The carbon cycle is an example of how materials are cycled through ecosystems.

Which of the following best matches the description? -An environmental condition,the absence of which,prevents the success of an organism.

Among plants,a condition that results in an increase in the number of sets of chromosomes,is called

Another name for a nutrient cycle in an ecosystem is a

Symbiotic relationships are those in which organisms live in physical contact with one another.

Populations are all organisms of a specific kind that live within a specific geographic region.

Which of the following is an example of a keystone species?

A new threat to the food chain in the Great Lakes is:

Which of the following best matches the description? -The flow of carbon from the atmosphere to living organisms and back again.

Processes that remove atoms from short-term nutrient cycles and store them for a long time are known as sinks.

Grazing animals and the grasses they eat have both evolved in response to each other's influence.This process is known as

Carbon enters the carbon cycle in the form of

Tapeworms living inside the intestines of their host are an example of what type of relationship?

The source of phosphate in the phosphorous cycle is the atmosphere.

Conversion of natural ecosystems to agriculture ecosystems can lead to less carbon stored in soil and large plants such as trees.