You got this from edg, am I correct. Well he had evidence by drawing and saw the differences between between normal finches to to the ones of Galapagos island. There were 4 different finches, two had a thick beak and two others had thin beak for small wholes where insects might be hiding. He observed the differences between the beaks.
Explanation:
Rocks,water,pebbles = Abiotic
Fish =Biotic
A possible explanation for what darwin observed was the birds had beaks that were adapted for feeding differently. Why he was studying the birds beaks that have been adapted for different food was because he noticed that there were birds that may have came from the same ancestor but they all had different characteristics and he soon realized it was becasue they all were adapted for each island the bird was at.<span />
Answer:
D. can be your answer
Explanation:
because she is testing and finding differnt results which can help her find the algae levels in a local stream.
