Question

Which is NOT an example of internal structure adaptation?

A. fish gills
B. hollow bird bone
C. tree root
D. xylem in plants
E. All of the above

Answer 1

imma say E cuz all of them sound like internal adaptations but if its wrong im really sorry

Answer 2

B hollow bird bones

Step-by-step explanation:

Internal structures are the inner pieces and parts that keep organisms alive, help them grow, and help them reproduce.