18 Questions
What is a characteristic of keystone species?
They have a large effect on the ecosystem
What is an example of an indicator species?
A species of trout that indicates water quality
What role do keystone species play in an ecosystem?
They pollinate flowering plant species
What is a native species?
A species that normally lives and thrives in a particular ecosystem
What is a characteristic of nonnative species?
They are species that migrate into or are introduced into an ecosystem
What might happen to a keystone species that is vulnerable to extinction?
Its ecosystem will be severely impacted
What is an example of a foundation species that creates habitats for other species?
Beaver
What is a key role of keystone species in ecosystems?
Regulating populations of other species
What is the term used to describe the process of creating habitats and ecosystems through physical modifications?
Ecosystem engineering
How do some bat and bird species contribute to ecosystem engineering?
By depositing plant seeds in their droppings
What is a key difference between keystone species and foundation species?
Keystone species regulate populations, while foundation species create habitats
What is an example of a keystone species that helps regulate the populations of other species?
Alligator
What is the term used to describe the role a species plays in its ecosystem?
Ecological niche
What is the main difference between generalist and specialist species?
Niche breadth
What is a consequence of specialist species having narrow niches?
They are more prone to extinction
What is the term for the place where a species lives?
Habitat
Which of the following is an example of a generalist species?
Raccoon
What determines how a species affects its ecosystem?
Its ecological niche
Learn about the different roles species play in their ecosystems, including top predators, keystone species, and foundation species. Understand how these species impact their environments and other species around them.
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