Fishing for Extra Credits?

First paragraph must include:
A brief description of the history of life in the planet
Three patterns to infer from the life timeline.

Second paragraph must include:
A definition of the term variation
One example of trait that vary within a population
The sources of variation and how those produce variation

Third paragraph must include an explanation of how the following are evidence of evolution, including examples of each:
Homologous structures
Embryonic development
DNA
Fossil record

Fourth paragraph must:
Outline of Lamarcks theory of evolution
State Darwin's theory of natural selection, and explain the following features in his
theory; overproduction, genetic variation, competition, survival of the fit, differential reproduction, and accumulation of traits.