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Questions and Answers
Which of the following best defines a population?
Which of the following best defines a population?
- All abiotic factors in an ecosystem
- Same species in the same place at the same time (correct)
- Different species living together
- All organisms in a specific area
The biosphere includes only living organisms.
The biosphere includes only living organisms.
False (B)
What is biotic potential?
What is biotic potential?
Maximum reproductive capacity of a species under ideal conditions.
The pattern of spacing within geographic boundaries of a population is known as __________.
The pattern of spacing within geographic boundaries of a population is known as __________.
Which type of dispersion is characterized by individuals being unevenly distributed, usually due to uneven resources?
Which type of dispersion is characterized by individuals being unevenly distributed, usually due to uneven resources?
Match the following types of dispersion with their descriptions:
Match the following types of dispersion with their descriptions:
A community includes abiotic factors such as soil and temperature.
A community includes abiotic factors such as soil and temperature.
Give an example of a population.
Give an example of a population.
What is the primary characteristic of exponential growth?
What is the primary characteristic of exponential growth?
Exponential growth is commonly seen in natural populations without any checks.
Exponential growth is commonly seen in natural populations without any checks.
What formula is used to calculate the growth rate (r) of a population?
What formula is used to calculate the growth rate (r) of a population?
When a population grows infinitely due to perfect conditions, it is referred to as __________ growth.
When a population grows infinitely due to perfect conditions, it is referred to as __________ growth.
Match the following terms with their definitions:
Match the following terms with their definitions:
Which of the following statements is true regarding the growth rate (r)?
Which of the following statements is true regarding the growth rate (r)?
Doubling time is calculated by dividing 70 by the percent increase in population per year.
Doubling time is calculated by dividing 70 by the percent increase in population per year.
What term describes factors that prevent a population from reproducing and growing?
What term describes factors that prevent a population from reproducing and growing?
Which of the following is a characteristic of 'K' selected species?
Which of the following is a characteristic of 'K' selected species?
Density independent factors limit population growth only when the population density is high.
Density independent factors limit population growth only when the population density is high.
What is the term for the maximum number of individuals that an environment can sustain indefinitely?
What is the term for the maximum number of individuals that an environment can sustain indefinitely?
The type of growth that fluctuates around the carrying capacity is called __________ growth.
The type of growth that fluctuates around the carrying capacity is called __________ growth.
Match the following factors to their corresponding types:
Match the following factors to their corresponding types:
Which of the following statements about 'R' selected species is true?
Which of the following statements about 'R' selected species is true?
Overshooting the carrying capacity can lead to population collapse due to limiting factors.
Overshooting the carrying capacity can lead to population collapse due to limiting factors.
What is one of the main features of density dependent factors?
What is one of the main features of density dependent factors?
Which survivorship curve describes species that have a high likelihood of surviving to old age?
Which survivorship curve describes species that have a high likelihood of surviving to old age?
Demographic transition refers to the shift from high birth and death rates to low rates.
Demographic transition refers to the shift from high birth and death rates to low rates.
What typically characterizes the age structure of a populations with rapid growth?
What typically characterizes the age structure of a populations with rapid growth?
Type ___ survivorship curve has a constant mortality rate throughout the organism's life span.
Type ___ survivorship curve has a constant mortality rate throughout the organism's life span.
Match the demographic concepts with their definitions:
Match the demographic concepts with their definitions:
Which type of society typically has a higher birth rate due to children being seen as assets?
Which type of society typically has a higher birth rate due to children being seen as assets?
The ecological footprint measures how many individuals are in a population.
The ecological footprint measures how many individuals are in a population.
What is the primary characteristic of Type III survivorship curve?
What is the primary characteristic of Type III survivorship curve?
What is the term for the actual resources available to an organism in its environment?
What is the term for the actual resources available to an organism in its environment?
Resource partitioning allows species to share resources without competing directly.
Resource partitioning allows species to share resources without competing directly.
What process occurs when natural selection favors traits that decrease competition between species?
What process occurs when natural selection favors traits that decrease competition between species?
Barnacles on a rocky shore can occupy different positions on the rock due to the absence of __________ from other species.
Barnacles on a rocky shore can occupy different positions on the rock due to the absence of __________ from other species.
Match the following terms with their definitions:
Match the following terms with their definitions:
Which of the following is an example of resource partitioning?
Which of the following is an example of resource partitioning?
Character displacement is more likely to occur in allopatric environments than in sympatric environments.
Character displacement is more likely to occur in allopatric environments than in sympatric environments.
What is the main advantage of resource partitioning in an ecosystem?
What is the main advantage of resource partitioning in an ecosystem?
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