What is the most common drug in the treatment for Parkinson's disease?
a. haloperidol
b. physostigmine
c. Dilantin
d. L-dopa
Question 2
The sea dragon is a fish that looks and acts like kelp in order to attract its food. A researcher proposes that this is due to a genetic modification that expands smaller appendages already present in these fish's ancestors. What type of explanation is this?
a. functional
b. evolutionary
c. ontogenetic
d. biological
