Podcast
Questions and Answers
What is the primary purpose of an indicator species in an ecosystem?
What is the primary purpose of an indicator species in an ecosystem?
- To serve as a food source for keystone species
- To provide early warnings of ecosystem damage (correct)
- To outcompete native species for resources
- To increase the genetic diversity of the ecosystem
What is the term for the process by which a population's genetic makeup changes over time in response to environmental pressures?
What is the term for the process by which a population's genetic makeup changes over time in response to environmental pressures?
- Evolution (correct)
- Population migration
- Adaptation
- Species succession
What is the consequence of losing a keystone species in an ecosystem?
What is the consequence of losing a keystone species in an ecosystem?
- Enhanced ecosystem resilience
- Population crashes and extinctions of other species (correct)
- Increased migration of nonnative species
- Increased genetic diversity among remaining species
What is the term for a species that is introduced to an ecosystem by humans, either intentionally or unintentionally?
What is the term for a species that is introduced to an ecosystem by humans, either intentionally or unintentionally?
What is the relationship between a keystone species and the other species in its ecosystem?
What is the relationship between a keystone species and the other species in its ecosystem?
What is the primary source of genetic variation that fuels the process of microevolution?
What is the primary source of genetic variation that fuels the process of microevolution?
What is the term for the process by which new species are formed from ancestral species and other species are lost through extinction?
What is the term for the process by which new species are formed from ancestral species and other species are lost through extinction?
What determines the physical characteristics that an organism inherits?
What determines the physical characteristics that an organism inherits?
What is the basis of variation in a species?
What is the basis of variation in a species?
Why is it extremely unlikely that another person with your precise genetic make-up has ever lived or ever will?
Why is it extremely unlikely that another person with your precise genetic make-up has ever lived or ever will?
What is the primary difference between habitat and environment?
What is the primary difference between habitat and environment?
Who is credited with the concept of ecological niche as an n-dimensional hypervolume?
Who is credited with the concept of ecological niche as an n-dimensional hypervolume?
What is the term for the full range of resources or habitat a species could exploit if there were no competition with other species?
What is the term for the full range of resources or habitat a species could exploit if there were no competition with other species?
According to Eugene Odum, what is the analogy between habitat and niche?
According to Eugene Odum, what is the analogy between habitat and niche?
What is the term for the resources or habitat a species actually uses?
What is the term for the resources or habitat a species actually uses?
What is an example of a condition that defines an ecological niche?
What is an example of a condition that defines an ecological niche?
What is a possible outcome when the fundamental niches of different species overlap significantly?
What is a possible outcome when the fundamental niches of different species overlap significantly?
What is the primary difference between interference competition and exploitation competition?
What is the primary difference between interference competition and exploitation competition?
What is the outcome of two species competing for the same resource, according to the Competitive Exclusion Principle?
What is the outcome of two species competing for the same resource, according to the Competitive Exclusion Principle?
What is an example of interference competition?
What is an example of interference competition?
What is a consequence of exploitation competition?
What is a consequence of exploitation competition?
What is the limitation on partitioning a shared resource, according to the Competitive Exclusion Principle?
What is the limitation on partitioning a shared resource, according to the Competitive Exclusion Principle?
What is the primary function of camouflage in defense mechanisms?
What is the primary function of camouflage in defense mechanisms?
Which type of symbiosis involves a parasitic relationship where one species benefits and the other is neither harmed nor helped?
Which type of symbiosis involves a parasitic relationship where one species benefits and the other is neither harmed nor helped?
What is the term for the defense mechanism where an animal breaks off a part of its body to distract a predator?
What is the term for the defense mechanism where an animal breaks off a part of its body to distract a predator?
Which type of mimicry involves a harmless species evolving to mimic a poisonous species?
Which type of mimicry involves a harmless species evolving to mimic a poisonous species?
What is the term for a species that has a symbiotic relationship with another species, where one species is dependent on the other for survival?
What is the term for a species that has a symbiotic relationship with another species, where one species is dependent on the other for survival?
Which type of parasite lives on the outer surface of its host?
Which type of parasite lives on the outer surface of its host?
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