A. Describe the differences between the terms in each of the following pairs. Use specific examples from the tree in your discussion. Discuss how each of the following has contributed to the evolutionary success of the organisms in which they are found. Evolution is one of the unifying concepts of modern biology. Explain the mechanisms that lead to evolutionary change.
Genetic variation is the raw material for evolution.
Explain the evolutionary mechanisms that can change the composition of the gene pool. Select two of the following three pairs and discuss the evolutionary replationships between the two members of each pair you have chosen. In your discussion include structural adaptations and their functional significance. The problems of survival of animals on land are very different from those of survival of animals in an aquatic environment. Describe four problems associated with animal survival in terrestrial environments but not in aquatic environments.