Q 4.3 4. Give examples of animals that display type I, II, and III survivorship curves and describe ecological conditions that might be responsible for each of these patterns of survival. 4.4 4. Using a specific example, differentiate between an organism’s habitat and its ecological niche. 4.5 1. Natural selection is sometimes described as survival of the fittest. In addition to survival, what characteristic of an individual organism determines its fitness? 4.6 2. Describe how two new species might evolve from a parent species, even though they live in the same geographic area. 4.7 1. The hierarchical system of classification is intended to be a map of evolution. Explain this statement.