19 Questions
Which of the following is a fundamental question of ecologists regarding species distribution?
Why do species occur in a certain area?
What is dispersal?
The movement of individuals away from an area of origin or centers of high population density
What could be a dispersal limitation for species?
All of the above
Which of the following factors can affect the dispersal of a species?
Temperature and moisture
What is the definition of a population?
A group of individuals of a single species living in different areas
How is the density of a population determined?
By sampling a population and calculating the average density
What is dispersion in the context of population ecology?
The pattern of spacing among individuals within the boundaries of a population
Which type of survivorship curve is common for large mammals, including humans, with few offspring that they care for?
Type I
What is the term used to describe the maximum population size that a particular environment can sustain?
Carrying capacity
What is the term used to describe the specific set of biotic and abiotic resources that an organism uses in its environment?
Ecological niche
What type of interaction occurs between different species when they compete for a resource?
Interspecific competition
Which of the following is an example of exploitation in the context of species interactions?
Herbivory in animals
What is the term for warning or bright coloration that deters predators?
Aposematic coloration
What is the term for a palatable or harmless species mimicking an unpalatable or harmful one?
Batesian mimicry
What is the term for an interspecific interaction where both species benefit?
Mutualism
Which type of community is more resistant to invasive species?
Communities with high species diversity
Which organisms feed on primary producers and are primary consumers?
Herbivores
What is the term for species that exert a strong control on the community despite being less abundant?
Keystone species
What type of control occurs when a lower trophic level affects the community structure of higher trophic levels by means of resource restriction?
Bottom up control
Test your knowledge on ecological cohort studies, life tables, and survivorship curves with this quiz. Explore how cohorts are constructed and followed from birth to death, and learn how to calculate survival rates and offspring production. Discover the process of creating survivorship curves from life table data.
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