1. Darwin's Argument
... of individuals born can survive. This causes "a struggle for existence, either one individual with another of the same species, or with the individuals of distinct species, or with the physical conditions of life" (Darwin 63). This struggle produces the setting for natural selection. If a species population is to remain constant, environmental pressures from the three sources previously mentioned must ... for possession of the females" (Darwin 88). The individuals with favorable features will be the most successful at reproducing and will therefore become dominate. Sexual selection can ra...
- Word Count: 3127
- Approx Pages: 13
- Has Bibliography
- Grade Level: Undergraduate