MASTERING BIOLOGY FINAL
REVIEW WITH VERIFIED
QUESTIONS AND ACCURATE
ANSWERS GRADED A+ BRAND
NEW 2026
Roosting areas in buildings of any height are the __ of species 1. - answer-fundamental
niche
__ between the two bat species occurs because both species prefer the same roosting
areas. - answer-interspecific competition
In parts of the city with tall buildings ( over two stories), __ of species 1 may occur. -
answer-competitive exclusion
Roosting areas in buildings that are one to two stories tall are the __ of species one
when species two is present - answer-realized niche
The change in roosting habitats of species 1 after species 2 became established in the
city is an example of ___. - answer-resource partitioning
The competition between species for roosting area is an example of a ___ interaction. -
answer--/-
The changes in the eyes of species 1 are examples of ___. - answer-Character
displacement
Predation is an interspecific interaction in which one species benefits by eating another.
Potential prey organisms have various adaptations that allow them to avoid or escape
predators. The following examples demonstrate either mimicry, camouflage,
mechanical defense, chemical defense, or schooling. Sort the examples based on the
,type of predator avoidance they demonstrate. - answer-Mimicry: Viceroy and monarch
butterflies ( both unpalatable) look alike. hornet moth (harmless) resembles paper wasp
(venomous)
Camouflage: an octopus assumes the color and texture of the sea floor.
Mechanical defense: Sea urchin spines, snails have shells, rosebush thorns.
Chemical defense: skunk scent, Jimsonweed toxins.
Schooling/ Flocking: Flock of snow geese.
Categorize mutualism, parasitism, and commensalism as either +/-, +/0, or +/+. Also
select the correct definition and example for each interaction. - answer-+/- interaction:
parasitism, one species benefits by harming another, hook worms and humans
+/0 interaction: commensalism, one species benefits; the other is unaffected, epiphytic
orchids and trees
+/+ interaction: mutualism, both species benefit, bees and flowers
In an ecosystem, phytoplankton are _____.
A) Secondary consumers
B) Tertiary consumers
C) Primary consumers
D) Detritivores
E) Producers - answer-E) Producers
An earthworm that feeds on the remains of plants and animals is acting as a _____.
A) Producer
B) Detritivore
C) Secondary consumer
D) Primary consumer
E) Tertiary consumer - answer-B) Detritivore
, When a human eats a steak, the human is acting as a _____.
A) Producer
B) Secondary consumer
C) Tertiary consumer
D) Detritivore
E) Primary consumer - answer-B) Secondary consumer
A cow eating grass is an example of a _____.
A) Tertiary consumer
B) Primary consumer
C) Detritivore
D) Producer
E) Secondary consumer - answer-B) Primary consumer
A human who just ate a hamburger is eaten by a shark while swimming. The shark is
acting as a _____.
A) Detritivore
B) Tertiary consumer
C) Primary consumer
D) Producer
E) Secondary consumer - answer-B) Tertiary consumer
An organism's "trophic level" refers to _____.
A) Whether it is early or late in ecological succession
B) The intensity of its competition with other species
C) Its food source
D) The rate at which it uses energy
E) Where it lives - answer-C) It's food source
REVIEW WITH VERIFIED
QUESTIONS AND ACCURATE
ANSWERS GRADED A+ BRAND
NEW 2026
Roosting areas in buildings of any height are the __ of species 1. - answer-fundamental
niche
__ between the two bat species occurs because both species prefer the same roosting
areas. - answer-interspecific competition
In parts of the city with tall buildings ( over two stories), __ of species 1 may occur. -
answer-competitive exclusion
Roosting areas in buildings that are one to two stories tall are the __ of species one
when species two is present - answer-realized niche
The change in roosting habitats of species 1 after species 2 became established in the
city is an example of ___. - answer-resource partitioning
The competition between species for roosting area is an example of a ___ interaction. -
answer--/-
The changes in the eyes of species 1 are examples of ___. - answer-Character
displacement
Predation is an interspecific interaction in which one species benefits by eating another.
Potential prey organisms have various adaptations that allow them to avoid or escape
predators. The following examples demonstrate either mimicry, camouflage,
mechanical defense, chemical defense, or schooling. Sort the examples based on the
,type of predator avoidance they demonstrate. - answer-Mimicry: Viceroy and monarch
butterflies ( both unpalatable) look alike. hornet moth (harmless) resembles paper wasp
(venomous)
Camouflage: an octopus assumes the color and texture of the sea floor.
Mechanical defense: Sea urchin spines, snails have shells, rosebush thorns.
Chemical defense: skunk scent, Jimsonweed toxins.
Schooling/ Flocking: Flock of snow geese.
Categorize mutualism, parasitism, and commensalism as either +/-, +/0, or +/+. Also
select the correct definition and example for each interaction. - answer-+/- interaction:
parasitism, one species benefits by harming another, hook worms and humans
+/0 interaction: commensalism, one species benefits; the other is unaffected, epiphytic
orchids and trees
+/+ interaction: mutualism, both species benefit, bees and flowers
In an ecosystem, phytoplankton are _____.
A) Secondary consumers
B) Tertiary consumers
C) Primary consumers
D) Detritivores
E) Producers - answer-E) Producers
An earthworm that feeds on the remains of plants and animals is acting as a _____.
A) Producer
B) Detritivore
C) Secondary consumer
D) Primary consumer
E) Tertiary consumer - answer-B) Detritivore
, When a human eats a steak, the human is acting as a _____.
A) Producer
B) Secondary consumer
C) Tertiary consumer
D) Detritivore
E) Primary consumer - answer-B) Secondary consumer
A cow eating grass is an example of a _____.
A) Tertiary consumer
B) Primary consumer
C) Detritivore
D) Producer
E) Secondary consumer - answer-B) Primary consumer
A human who just ate a hamburger is eaten by a shark while swimming. The shark is
acting as a _____.
A) Detritivore
B) Tertiary consumer
C) Primary consumer
D) Producer
E) Secondary consumer - answer-B) Tertiary consumer
An organism's "trophic level" refers to _____.
A) Whether it is early or late in ecological succession
B) The intensity of its competition with other species
C) Its food source
D) The rate at which it uses energy
E) Where it lives - answer-C) It's food source
