Rust fungi live on plants and feed on them to obtain nutrients. They reproduce on plants and live their entire lives on them, potentially causing disease in their host plant. This is an example of:(1 point)

Question

Responses

Mutualism
Mutualism

Commensalism
Commensalism

Predator-Prey
Predator-Prey

Parasitism
Parasitism
Question 24
Clownfish live among the stinging tentacles of anemones, which protect them from predators. In return, the clownfish may chase away predators of the anemone. What type of relationship is this?(1 point)
Responses

Predation
Predation

Mutualism
Mutualism

Commensalism
Commensalism

Parasitism
Parasitism
Question 25
A dead tree is home to many organisms, including fungi, insects, and some small animals. This is an example of a(n)(1 point)
Responses

Community
Community

Species
Species

Population
Population

Ecosystem
Ecosystem
Question 26
In a mountain forest, mountain lions primarily feed on deer. What is the most likely outcome if the mountain lion population vanishes?(1 point)
Responses

The deer population will be more susceptible to disease
The deer population will be more susceptible to disease

The deer population will increase
The deer population will increase

The deer population will be balanced
The deer population will be balanced

The deer population will decrease
The deer population will decrease
Question 27
Which of the following would not decrease the biodiversity of an ecosystem?(1 point)
Responses

Lack of mates
Lack of mates

Abundance of food
Abundance of food

Lack of space
Lack of space

Negative changes in air quality
Negative changes in air quality
Question 28
When a population exceeds its carrying capacity, what is likely to happen?(1 point)
Responses

Competition decreases
Competition decreases

Resource availability decreases
Resource availability decreases

Population growth rate increases
Population growth rate increases

Predation decreases
Predation decreases
Question 29
What is a natural selection?(1 point)
Responses

The random change in allele frequencies in a population.
The random change in allele frequencies in a population.

A process by which organisms with preferred traits are more likely to survive and reproduce.
A process by which organisms with preferred traits are more likely to survive and reproduce.

The movement of alleles between populations.
The movement of alleles between populations.

The creation of new genetic material.
The creation of new genetic material.
Question 30
Which of the following represents the difference between intraspecific competition and interspecific competition?(1 point)
Responses

Intraspecific competition occurs between individuals of the same species, while interspecific competition occurs between individuals of different species.
Intraspecific competition occurs between individuals of the same species, while interspecific competition occurs between individuals of different species.

Intraspecific competition is always beneficial, while interspecific competition is always detrimental.
Intraspecific competition is always beneficial, while interspecific competition is always detrimental.

Intraspecific competition reduces the availability of resources, while interspecific competition increases the availability of resources.
Intraspecific competition reduces the availability of resources, while interspecific competition increases the availability of resources.

Intraspecific competition affects the population of a different species, while interspecific competition affects the population of the same species.
Intraspecific competition affects the population of a different species, while interspecific competition affects the population of the same species.
Question 31
Two populations of frogs living in the same pond but breeding at different times of the year is an example of which type of reproductive isolation?(1 point)
Responses

Geographic isolation
Geographic isolation

Habitat isolation
Habitat isolation

Behavioral isolation
Behavioral isolation

Temporal isolation
Temporal isolation
Question 32
Which of the following shows that fossils provide evidence of evolution?(1 point)
Responses

The deeper a fossil is buried, the better preserved it will be.
The deeper a fossil is buried, the better preserved it will be.

Fossils of extinct organisms resemble living organisms, but with some key differences.
Fossils of extinct organisms resemble living organisms, but with some key differences.

Fossils of all life forms are found evenly distributed throughout rock layers.
Fossils of all life forms are found evenly distributed throughout rock layers.

Fossils can be used to determine the climate of the past.
Fossils can be used to determine the climate of the past.
Question 33
Which of the following statements accurately describes the relationship between natural selection and evolution?(1 point)
Responses

Evolution is a gradual process, while natural selection can happen rapidly.
Evolution is a gradual process, while natural selection can happen rapidly.

Natural selection and evolution are synonyms for the same process.
Natural selection and evolution are synonyms for the same process.

Natural selection is a mechanism of evolution, and evolution is the observed change in populations over time.
Natural selection is a mechanism of evolution, and evolution is the observed change in populations over time.

Natural selection is a theory, while evolution is a fact.
Natural selection is a theory, while evolution is a fact.
Question 34
What is gene flow?(1 point)
Responses

The formation of new species.
The formation of new species.

The random change in allele frequencies.
The random change in allele frequencies.

The selection of preferred traits.
The selection of preferred traits.

The transfer of genetic material between populations.
The transfer of genetic material between populations.
Question 35
Why is genetic variation important in populations?(1 point)
Responses

It ensures that all individuals have the same traits and abilities.
It ensures that all individuals have the same traits and abilities.

It increases the likelihood of individuals developing genetic disorders
It increases the likelihood of individuals developing genetic disorders

It leads to uniformity within a population, reducing competition.
It leads to uniformity within a population, reducing competition.

It enhances the ability of a population to adapt to changing environmental conditions.
It enhances the ability of a population to adapt to changing environmental conditions.
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Answer 1

Here are the answers to your questions:

Question 23: Rust fungi live on plants and feed on them to obtain nutrients. This is an example of:
Answer: Parasitism

Question 24: Clownfish live among the stinging tentacles of anemones, which protect them from predators. In return, the clownfish may chase away predators of the anemone. What type of relationship is this?
Answer: Mutualism

Question 25: A dead tree is home to many organisms, including fungi, insects, and some small animals. This is an example of a(n):
Answer: Community

Question 26: In a mountain forest, mountain lions primarily feed on deer. What is the most likely outcome if the mountain lion population vanishes?
Answer: The deer population will increase

Question 27: Which of the following would not decrease the biodiversity of an ecosystem?
Answer: Abundance of food

Question 28: When a population exceeds its carrying capacity, what is likely to happen?
Answer: Resource availability decreases

Question 29: What is natural selection?
Answer: A process by which organisms with preferred traits are more likely to survive and reproduce.

Question 30: Which of the following represents the difference between intraspecific competition and interspecific competition?
Answer: Intraspecific competition occurs between individuals of the same species, while interspecific competition occurs between individuals of different species.

Question 31: Two populations of frogs living in the same pond but breeding at different times of the year is an example of which type of reproductive isolation?
Answer: Temporal isolation

Question 32: Which of the following shows that fossils provide evidence of evolution?
Answer: Fossils of extinct organisms resemble living organisms, but with some key differences.

Question 33: Which of the following statements accurately describes the relationship between natural selection and evolution?
Answer: Natural selection is a mechanism of evolution, and evolution is the observed change in populations over time.

Question 34: What is gene flow?
Answer: The transfer of genetic material between populations.

Question 35: Why is genetic variation important in populations?
Answer: It enhances the ability of a population to adapt to changing environmental conditions.