Biology
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Medium
Question
Which of the following relationship is NOT an example of symbiosis?
A
Rhizobium and leguminous plants
B
Marchantia sporophyte and gametophyte
✓ Official correct answer
C
Algae and fungi in a lichen
D
Mycorrhizal fungi and tree roots
Community credibility
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A
Rhizobium and leguminous plants
No member explanations yet for this option.
B
Marchantia sporophyte and gametophyte
No member explanations yet for this option.
C
Algae and fungi in a lichen
No member explanations yet for this option.
D
Mycorrhizal fungi and tree roots
No member explanations yet for this option.
Explanation
The sporophyte and gametophyte generations of Marchantia are simply two life-cycle stages of the same organism, not a symbiotic relationship between two different species, unlike the other examples listed.