![]() A union between a parasitic fungus and an autotrophic algaĢ. A parasitic association between two fungi, one autotrophic, the second autotrophicĭ. A mutual association between a fungus and an algaĬ. Simple plants made of two different autotrophic organims.ī. Which of the following best describes lichen association?Ī. Many species of birds use lichens as building The grow in many habitatsĪnd are often pioneers in hostile environmentsĮndolithically, having been discovered thriving inside ![]() What, if anything, the fungusĬontributes to the association is not well understood. Percent of than food made by the green alga cell is Heterotrophic, meaning they depend upon the algae Lichen algae are autotrophic, meaning they make their Some types ofĪlgae the fungi may kill other types it may reject. In nature, lichen fungi may encounter and In which the two components of lichens were separated This is one of the conclusions drawn from experiments It appears the fungus actually parasitizes the algae. In mutual relationships,īoth participants benefit. Living components of lichen was once erroneously The intimate relationship between these two The lichen itself is notĪn organism: rather it is the morphological and biochemical Species have been named, are complex associationsīetween certain algae. Lichens, of which more than twenty thousand
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