The wings of pterosaurs (1), bats (2) and birds (3) are analogous as wings, but homologous as forelimbs. Evolutionary ancestry means that structures evolved from some structure in a common ancestor; for example, the wings of bats and the arms of primates are homologous in this sense.
â¦ Broca's area is located in the left frontal lobe, in close proximity of primary motor cortex. Wernicke's Area â¦ Wernicke's area sits in the left temporal lobe, very close to the auditory cortexâthe area involved in hearing.
The brain consists of three main regions: Cerebrum, Cerebellum and the Medulla Oblongata (Brain Stem). The Cerebrum is the largest part of the brain that controls thought, me â¦ mory and the senses.The Cerebellum is involved in the coordination of voluntary motor movement, balance and equilibrium and muscle tone.he areas within these regions that might be affected by alcohol exposure in the womb: In the brainstem: Reticular Activating System (RAS) - filters important and unimportant information from sensory input.