18 Questions
What is the term for species that normally live and thrive in a particular ecosystem?
Native species
What is the term for species that provide early warnings of damage to a community or an ecosystem?
Indicator species
What term describes species that have a large effect on the types and abundances of other species in an ecosystem?
Keystone species
What role do keystone species play in helping to sustain an ecosystem?
Pollination of flowering plant species
What is the term for species that play a critical role in maintaining the structure of an ecosystem?
Foundation species
What is the term for species that are introduced into an ecosystem deliberately or accidentally?
Nonnative species
What is a common function of keystone species?
Regulating populations of other species
What is the term used to describe the process of creating and enhancing habitats by foundation species?
Ecosystem engineering
Which of the following is an example of a foundation species?
Beaver
What is the main difference between keystone species and foundation species?
Foundation species create habitats
What is an example of a foundation species' impact on an ecosystem?
Accelerating nutrient cycling rates
What is a result of elephants' activities in African grasslands and woodlands?
Promoting the growth of grasses and forage plants
What is the term used to describe a species' way of life in a community?
Ecological niche
Which type of species has a broad niche and can live in many different places?
Generalist
What is a potential consequence for specialist species when environmental conditions change?
They are more prone to extinction
What is the role of a species in its ecosystem that includes everything that affects its survival and reproduction?
Ecological niche
What is another term for a species' ecological niche?
Niche
What is the place where a species lives?
Habitat
Learn about the different roles species play in ecosystems, including native, nonnative, indicator, keystone, and foundation species. Understand the characteristics of each type and how they interact with their environment.
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