Developmental Biology, Chapter 19: How Environmental Influences may Increase Biodiversity? Examples and Evidence

Describe and explain the effects that environmental influences, biotic, abiotic and symbiotic, may affect the behavioral, morphological, or life cycle of organisms.
Read Developmental Biology: Chapter 19; also read Segment 19.5 on the Companion Website, www(dot)devbio(dot)com
For this discussion, explain how environmental influences may increase biodiversity. Do think that this is a positive or negative effect of the environment? Please give examples and evidence to support your statement.

All discussion boards are evaluated the same:
· length
· writing ability
· incorporation of the textbook
· no incorrect facts
· all ideas supported
· APA format to cite outside sources (which are usually not necessary)

Your initial post is due by Thursday at 11:59 PM. 
The length of each will be 200 - 250 words of your own writing.