What statement(s) is(are) true regarding lichens? Question 21 options: Results from a mutualistic relationship between a fungus and photosynthetic plant or alga They are called composite organisms Some lichens are able to live in environments that are harsh or nutrient poor. All of the above.
Question
What statement(s) is(are) true regarding lichens?
Question 21 options:
Results from a mutualistic relationship between a fungus and photosynthetic plant or alga
They are called composite organisms
Some lichens are able to live in environments that are harsh or nutrient poor.
All of the above.
Solution
To determine which statement(s) are true regarding lichens, let's analyze each option step by step:
-
Results from a mutualistic relationship between a fungus and photosynthetic plant or alga:
- This statement is true. Lichens are indeed the result of a mutualistic relationship between a fungus (usually an ascomycete) and a photosynthetic partner, which can be either an alga or a cyanobacterium.
-
They are called composite organisms:
- This statement is also true. Lichens are referred to as composite organisms because they are composed of two different organisms (a fungus and a photosynthetic partner) living together in a symbiotic relationship.
-
Some lichens are able to live in environments that are harsh or nutrient poor:
- This statement is true as well. Lichens are known for their ability to survive in extreme environments, such as arctic tundras, deserts, and rocky surfaces where other organisms might not be able to thrive.
Given that all three individual statements are true, the correct answer is:
All of the above.
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