Fact 1: All plants have a characteristic life cycle that includes alternation of generations.

Fact 2: All trees are plants, including redwoods.

Given the two facts above, answer the question "All redwoods have a characteristic life cycle that includes what?" with the following options: 
- seed dispersal
 - alternation stations
 - biological diversity
 - The flowers are pollinated
 - sub-units of species
 - alternation of generations
 - alternation alteration
 - alternation of genetics


 

      alternation of generations   