Nres219 VERIFIED
100% SOLUTIONS
2023//2024
Which of the following statements about change in communities is true? ? ??
Only biotic factors can be agents of change.
Only abiotic factors can be agents of change.
Disturbances create opportunities for some species to grow and reproduce due to the
injury or death of other individuals.
"Stress" and "disturbance" are interchangeable words that describe the same process.
Humans are the only agents of change for biological communities. - ANSWER
Disturbances create opportunities for some species to grow and reproduce due to the
injury or death of other individuals.
Which of the following human activities can bring about shifts in communities that lead
to alternative stable states?
habitat destruction
introduction of invasive species
overexploitation of native species
all of the above
, none of the above - ANSWER all of the above
Although beavers are relatively rare, they have considerable influence over species
interactions in communities in which they are present, because their dams dramatically
alter the environment. The beaver is an example of a(n) __________. ? ??
a. foundation species
b. keystone species
c. ecosystem engineer?
d. Both a and b
e. both b and c - ANSWER both b and c
What is the primary difference between interaction webs and food webs?
Interaction webs include more trophic levels.?
Interaction webs include fewer trophic levels.
Interaction webs do not consider primary producers, whereas food webs do.
Interaction webs include non-trophic interactions, whereas food webs do not.
There is no difference between food webs and interaction webs. ? ?? - ANSWER
Interaction webs include non-trophic interactions, whereas food webs do not.
Cougars prey on both white-tailed deer and mule deer. Because of their shared
predator, each of deer species' abundance is affected by the presence of the other deer
species. In this situation, the white-tailed deer and mule deer are engaged in
a direct interaction.?
an indirect interaction.
a trophic facilitation.
a Shannon interaction.
a "Red Queen" arms race. - ANSWER an indirect interaction
Which of the following can be measured the most easily?
Species evenness
Species richness
Species diversity
100% SOLUTIONS
2023//2024
Which of the following statements about change in communities is true? ? ??
Only biotic factors can be agents of change.
Only abiotic factors can be agents of change.
Disturbances create opportunities for some species to grow and reproduce due to the
injury or death of other individuals.
"Stress" and "disturbance" are interchangeable words that describe the same process.
Humans are the only agents of change for biological communities. - ANSWER
Disturbances create opportunities for some species to grow and reproduce due to the
injury or death of other individuals.
Which of the following human activities can bring about shifts in communities that lead
to alternative stable states?
habitat destruction
introduction of invasive species
overexploitation of native species
all of the above
, none of the above - ANSWER all of the above
Although beavers are relatively rare, they have considerable influence over species
interactions in communities in which they are present, because their dams dramatically
alter the environment. The beaver is an example of a(n) __________. ? ??
a. foundation species
b. keystone species
c. ecosystem engineer?
d. Both a and b
e. both b and c - ANSWER both b and c
What is the primary difference between interaction webs and food webs?
Interaction webs include more trophic levels.?
Interaction webs include fewer trophic levels.
Interaction webs do not consider primary producers, whereas food webs do.
Interaction webs include non-trophic interactions, whereas food webs do not.
There is no difference between food webs and interaction webs. ? ?? - ANSWER
Interaction webs include non-trophic interactions, whereas food webs do not.
Cougars prey on both white-tailed deer and mule deer. Because of their shared
predator, each of deer species' abundance is affected by the presence of the other deer
species. In this situation, the white-tailed deer and mule deer are engaged in
a direct interaction.?
an indirect interaction.
a trophic facilitation.
a Shannon interaction.
a "Red Queen" arms race. - ANSWER an indirect interaction
Which of the following can be measured the most easily?
Species evenness
Species richness
Species diversity
