2. The fungal-algal symbiosis producing lichens is thought to have evolved several times independently in different fungal groups. However, lichens fall into three well-defined growth forms- crustose, foliose, and fruticose. Do you think the growth forms represent monophyletic or polyphyletic groups? Explain why you think so.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Please answer question 2
1. If being diploid increases an individual's genetic diversity, why does your group think that most fungi spend the majority of their life cycle as a haploid
individual? Also, why does your group think fungi have a heterokaryotic stage? Why don't fungi produce a diploid condition immediately following
plasmogamy?
2. The fungal-algal symbiosis producing lichens is thought to have evolved several times independently in different fungal groups. However, lichens fall
into three well-defined growth forms - crustose, foliose, and fruticose. Do you think the growth forms represent monophyletic or polyphyletic
groups? Explain why you thỉnk so.
Transcribed Image Text:1. If being diploid increases an individual's genetic diversity, why does your group think that most fungi spend the majority of their life cycle as a haploid individual? Also, why does your group think fungi have a heterokaryotic stage? Why don't fungi produce a diploid condition immediately following plasmogamy? 2. The fungal-algal symbiosis producing lichens is thought to have evolved several times independently in different fungal groups. However, lichens fall into three well-defined growth forms - crustose, foliose, and fruticose. Do you think the growth forms represent monophyletic or polyphyletic groups? Explain why you thỉnk so.
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