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Asked by supriyaa.yn 16th February 2009, 2:36 PM
Answered by Expert
Answer:

Lichens is a symbiotic association between algae and fungi.

Unicellular fungi - e.g. Oomycota

An exoskeleton is an external skeleton that supports and protects an animal's body.

Chromoplasts, chloroplasts and leucoplasts are types of plastids.

Infectious agents are organisms capable of producing infection or causing disease.

 

Answered by Expert 16th February 2009, 11:24 PM
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