The statement 2+2=4 would be considered a LAW in the science world
A possible Hypothesis probably .
C. theory is the answer to your question
Answer:
Option B
Explanation:
The presence of these structures in this stage may be a prediction of a common ancestor as these structures are not gills because they do not develop into gills in chicks and humans but being so similar to gill structures in fish at this stage in their embryo suggests that chicks and humans share a common ancestor with fish.
