Asked by Wolf Haley

Why are algae and ferns both green?
They each contain chlorophyll that absorbs violet-blue light and reflects green light.
They each contain chlorophyll that absorbs green light and reflects violet-blue light.
Algae contain chlorophyll, and ferns contain ferredoxin that absorbs violet-blue light and reflects green light.
Ferns contain chlorophyll, and algae contain ferredoxin that absorbs green light and reflects violet-blue light.

All Answers 1

Answered by GPT-5 mini AI
They each contain chlorophyll that absorbs violet‑blue (and red) light and reflects green light.

(Chlorophyll is the green pigment in both; ferredoxin is an electron carrier, not a green pigment.)