Diploblastic Study guides, Class notes & Summaries

It has pertinent information for Bio 121 exam 3 about animals. Their symmetry, classifications under them, how they divide, if there is a coelom, what systems are in play, etc.

BIO 181 FINAL STUDY GUIDE Lecture #1: 1. How did the four macromolecules appear on early earth? Components of “Primitive Soup”  Carbohydrates, Lipids, Nucleic Acids, Proteins (four macromolecules of life) We don’t have a clear answer but there are numerous hypotheses. 2. List and explain the basis/background for the four main theories of how life originated on early earth. Are there any challenges these theories have to overcome? a) Oparin-Haldane Hypothesis (tested by Miller-Urey) a....

Summary of Cnidaria Characteristics, fully labelled diagrams and expansion on the 4 Main Classes of Cnidaria (Hydrozoa, Scyphozoa, Cubozoa & Anthozoa). Each of the classes has a characteristics list and a labelled diagram and explanation of various physical structures as well as examples of organisms in those classes we are well acquainted with. Also provides explanation of Cnidarian movement and Hydrosstatic Skeleton.