February 1, 2012
2. The population size dipped at first and then increased more rapidly on Wallace because
the seeds became harder, and the birds that could not eat the harder seeds died at first.
The birds eventual
Wednesday Room 126
February 29, 2012
1. a) Plant A is golden currant, Ribes aureum. Plant B is California sagebrushArtemesia California. Plant C is olive branch, Olea europa. Plant D is laural
sumac, Malosma laurina. Plant E is eld
Case Study 2 Questions
February 28, 2012
a) Figure A represents a homoplasy in which different species (myrechorous and
non-myrechorous) in the same environment develop seed dispersal in response to
the conditions of their environemnt.