Algae have varied life cycles, and algae Algae Green algae are the simplest of green plants. Given these facts, what do the simplest of green plants have among the following options:
- varied life cycles
 - spinal cords
 - backbones
 - Chemical energy
 - absorb light energy
 - Chlorophyll
 - lungs
 - photosynthesis


 

 varied life cycles        