What is a keystone species?
Keystone Species

Flashcard
•
Biology
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
A species that helps to hold an ecosystem together.
2.
FLASHCARD QUESTION
Front
What does the term 'niche' refer to in ecology?
Back
The particular role (job) of an organism in its environment, including types of food it eats, how it obtains its food, and how it interacts with other organisms.
3.
FLASHCARD QUESTION
Front
What happens to biodiversity when a keystone species is removed from an ecosystem?
Back
Biodiversity goes down.
4.
FLASHCARD QUESTION
Front
Define biodiversity.
Back
A wide variety of plants and animals in an ecosystem.
5.
FLASHCARD QUESTION
Front
What are apex predators?
Back
Species that maintain biodiversity by keeping prey populations controlled.
6.
FLASHCARD QUESTION
Front
What is the difference between a keystone species and an invasive species?
Back
A keystone species is crucial for maintaining the structure of an ecosystem, while an invasive species disrupts the ecosystem balance.
7.
FLASHCARD QUESTION
Front
Give an example of a keystone species.
Back
Sea otters are a keystone species in kelp forest ecosystems.
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