Multiple Choice
A lichen is growing on a tree trunk. The lichen gains height and exposure to sunlight for photosynthesis. The tree is not harmed by the lichen but does not benefit either. The relationship between the lichen and the tree is
A) commensalism.
B) mutualism.
C) parasitism.
D) interference competition.
Correct Answer:
Verified
Correct Answer:
Verified
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