You are presented with the question "what have a characteristic life cycle that includes alternation of generations?" and the following answer choices: 
- clouds
 - h2o
 - Conifers
 - ducks
 - crocodiles
 - burrs
 - orchids
 - humans

Now knowing that all plants have a characteristic life cycle that includes alternation of generations and many orchids are rewarding indoor plants, choose the best answer.


 

       orchids  