Podcast
Questions and Answers
What does population ecology study?
What does population ecology study?
- Traits of organisms and how they contribute to a specie's life history
- The study of life and natural systems
- All of the organisms of a single species within a given geographic area (correct)
- The interaction between biotic and abiotic factors in a geographic area
What is the difference between an ecosystem and a habitat?
What is the difference between an ecosystem and a habitat?
- Ecosystems include both biotic and abiotic components, while habitats are places suitable for particular organisms to live (correct)
- Ecosystems are restricted by size, while habitats are not
- Ecosystems are dynamic, while habitats are static
- Habitats focus on traits of organisms, while ecosystems focus on interactions between organisms
What determines the niche of an animal within its ecosystem?
What determines the niche of an animal within its ecosystem?
- Feeding habits and other adaptations (correct)
- Climate and pollution
- Population density and numbers of individuals
- Size and restrictions of the environment
What are density-dependent factors within an ecosystem?
What are density-dependent factors within an ecosystem?
What is the concern of biosphere ecology?
What is the concern of biosphere ecology?
Which type of speciation occurs when a population is reproductively isolated due to a geographical change?
Which type of speciation occurs when a population is reproductively isolated due to a geographical change?
What can lead to the formation of a new species if an isolated population has new environmental conditions and new traits emerge?
What can lead to the formation of a new species if an isolated population has new environmental conditions and new traits emerge?
In which mechanism do the barriers preventing populations from mating become stronger, leading to the inability to produce fertile offspring?
In which mechanism do the barriers preventing populations from mating become stronger, leading to the inability to produce fertile offspring?
What refers to the choices that individuals make to mate based on traits possessed by the other individual?
What refers to the choices that individuals make to mate based on traits possessed by the other individual?
When do populations evolve to find different traits favorable, if separated geographically?
When do populations evolve to find different traits favorable, if separated geographically?
In a food web, what do producers represent?
In a food web, what do producers represent?
Where are primary consumers positioned in a food chain?
Where are primary consumers positioned in a food chain?
What is the flow of energy through trophic levels generally like?
What is the flow of energy through trophic levels generally like?
What is the main difference between a food chain and a food web?
What is the main difference between a food chain and a food web?
Which organisms are classified as secondary consumers in an ecosystem?
Which organisms are classified as secondary consumers in an ecosystem?
What do quaternary consumers primarily feed on in an ecosystem?
What do quaternary consumers primarily feed on in an ecosystem?
What can be modeled using knowledge of food chains and food webs?
What can be modeled using knowledge of food chains and food webs?
What is the percentage of energy transferred from one trophic level to the next?
What is the percentage of energy transferred from one trophic level to the next?
What does biotic potential refer to?
What does biotic potential refer to?
What establishes the carrying capacity of a species?
What establishes the carrying capacity of a species?
What can be attributed to environmental resistance in a population?
What can be attributed to environmental resistance in a population?
What does the carrying capacity of an ecosystem represent?
What does the carrying capacity of an ecosystem represent?
What are examples of limiting factors in an ecosystem?
What are examples of limiting factors in an ecosystem?
What does the sustainability of an ecosystem depend on?
What does the sustainability of an ecosystem depend on?
What can reduce the maximum carrying capacity of an ecosystem?
What can reduce the maximum carrying capacity of an ecosystem?
Which factor may sustain a larger population?
Which factor may sustain a larger population?
What type of symbiosis benefits one species without helping or harming the other?
What type of symbiosis benefits one species without helping or harming the other?
What is the study of the evolutionary development of animal behavior as a result of ecological pressure called?
What is the study of the evolutionary development of animal behavior as a result of ecological pressure called?
What is the defense of resources within a territory known as?
What is the defense of resources within a territory known as?
Which factor is unlikely to support large population sizes compared to temperate climates?
Which factor is unlikely to support large population sizes compared to temperate climates?
Which type of symbiosis benefits both organisms involved?
Which type of symbiosis benefits both organisms involved?
What may hurt one or both of the populations competing for resources?
What may hurt one or both of the populations competing for resources?
What is the main reason animals defend a territory?
What is the main reason animals defend a territory?
In social groups, what is a potential drawback related to living in groups?
In social groups, what is a potential drawback related to living in groups?
What concept is illustrated by the preference to donate a kidney to a closely related individual?
What concept is illustrated by the preference to donate a kidney to a closely related individual?
What does social behavior such as altruism tend to increase?
What does social behavior such as altruism tend to increase?
What influences the selection of mating partners and production of offspring?
What influences the selection of mating partners and production of offspring?
What is a direct reflection of the most beneficial traits in a specific environment?
What is a direct reflection of the most beneficial traits in a specific environment?
What represents the strongest chance at survival in species that practice social child raising?
What represents the strongest chance at survival in species that practice social child raising?
What governs the actions of many individuals and tends to increase the survival and reproductive rates of individuals and groups?
What governs the actions of many individuals and tends to increase the survival and reproductive rates of individuals and groups?
What does alpha diversity measure in an ecosystem?
What does alpha diversity measure in an ecosystem?
What is genetic biodiversity primarily concerned with?
What is genetic biodiversity primarily concerned with?
What is ecological biodiversity interested in?
What is ecological biodiversity interested in?
What does gamma diversity consider?
What does gamma diversity consider?
What is the term 'biodiversity' often measured at?
What is the term 'biodiversity' often measured at?
What do stable ecosystems with high diversity have an abundance of to fill ecological roles?
What do stable ecosystems with high diversity have an abundance of to fill ecological roles?
What is the primary concern of researchers studying genetic biodiversity?
What is the primary concern of researchers studying genetic biodiversity?
What does ecological diversity break up environments into?
What does ecological diversity break up environments into?
What happens when one organism declines or goes extinct in stable, highly diverse ecosystems?
What happens when one organism declines or goes extinct in stable, highly diverse ecosystems?
What does biodiversity refer to?
What does biodiversity refer to?
