What is a lichen?
Lichens and Famous Scientists

Flashcard
•
Science
•
6th - 8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
A combination of an alga and a fungus that grows on rocks and trees.
2.
FLASHCARD QUESTION
Front
What is a fungus?
Back
A type of decomposer that must consume food; not a plant.
3.
FLASHCARD QUESTION
Front
How does an alga benefit when it joins up with a fungus?
Back
The alga gets a space to live because the fungus provides the structures and brings water and minerals to the alga.
4.
FLASHCARD QUESTION
Front
Where can an alga live after joining with a fungus?
Back
They can now live on trees and rocks in all types of land ecosystems, from deserts to rain forests.
5.
FLASHCARD QUESTION
Front
How are lichens beneficial to humans?
Back
They are pollution indicators; if there's too much air pollution, they won't grow.
6.
FLASHCARD QUESTION
Front
What are the two main components of a lichen?
Back
An alga and a fungus.
7.
FLASHCARD QUESTION
Front
What role do fungi play in ecosystems?
Back
Fungi are decomposers that break down organic matter, returning nutrients to the soil.
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