an elephant's ears a plant's leaves a deer's hooves a tree's roots
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A solar cell turns sunlight into another form of energy. A solar cell is most like what natural structure?
Possibilities:
- an elephant's ears
- a plant's leaves
- a deer's hooves
- a tree's roots

a plant's leaves