A 7 page overview of the differing morphological characteristics which arose during the Mesozoic Era and separated the mammals from their predecessors the reptiles. Discusses differences in the inner ear, the jaw, and the brain and provides possible reasons for the divergent evolutionary paths. Bibliography lists 10 sources. An 8 page paper discussing the concept of ontogeny in relation to the human reproductive system. Dispells the belief propagated in the ninetenth century that the embryonic stages of development are an exact mirror of the evolutionary history of an organism.
Bibliography lists seven sources.
A 10 page paper describing the intelligence and learning capabilities of insects. Emphasis is put on social insects. Studies are described that support the statements of an insect's abilities. The main insect in focus is the ant as it is the most thoroughly studied. Bibliography lists 9 sources.