20 Questions
What is the relationship between species richness and latitude?
Species richness is greatest near the equator
What is the species-area effect?
The pattern of species richness increasing with increasing area
What is a consequence of the species-area effect?
Habitat destruction can lead to species extinction
What is species richness?
The number of different species found in a community
Why does species richness increase with increasing area?
Larger areas have a greater diversity of habitats
What is the phenomenon called when two species evolve to lessen the intensity of competition between them?
Character displacement
When do closely related species experience the most intense competition?
When they require the same resources
What is the term for the pattern of resource use where each species uses only part of the available resources?
Resource partitioning
What is the result of character displacement in the finches on the Galapagos Islands?
They have evolved to have different beak sizes
What is an example of resource partitioning in the text?
Warblers hunting for insects in different sections of the tree
In a community, what occurs when organisms of the same or different species attempt to use the same ecological resource?
Competition
What is a resource, in the context of community ecology?
Anything that is required for life
What is the competitive exclusion principle?
No two species can occupy the same niche in the same habitat
What happens to the loser in a competitive exclusion scenario?
It is eliminated from the community
What occurs when one species uses a resource more efficiently than another species?
One species is eliminated from the community
What is the primary condition for two similar species to coexist in the same community?
There is enough difference in their niches
What is a possible outcome of competition between species having identical niches?
The less competitive species will be driven to local extinction
What is the role of predation in a community?
It determines relationships in food webs and regulates population size
What is a characteristic of predators that have evolved through natural selection?
They have developed acute senses and specialized tools
What is an adaptation that prey species may have to avoid being captured and eaten?
The ability to run very fast
Learn about the different types of parasites, including ectoparasites and endoparasites, and how they interact with their hosts. Understand the characteristics of each type and their examples.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
