Sunday, December 9, 2007

Concept 31.5

Q1: What are some of the benefits that algae in lichens can derive from their relationship with fungi?

A1: A suitable environment for growth, retention of water and minerals, protection from sunlight, and protection form being eaten.

Q2: What characteristics of pathogenic fungi result in their being efficiently transmitted?

A2: A hardy spore stage enables dispersal to host organisms through a variety of mechanisms; their ability to grow rapidly in a favorable new environment enables them to capitalize on the host's resources.

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