Answer: Bladder
Step-by-step explanation:
The walls of the bladder contain very few blood vessels and are lined with guanine crystals, which make them impermeable to gases. By adjusting the gas pressurising organ using the gas gland or oval window the fish can obtain neutral buoyancy and ascend and descend to a large range of depths.
Answer:
149.5
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
Answer: B
Step-by-step explanation:
-1 will be your answer. (B)
Answer:
no
Step-by-step explanation:
the FIRST 82 RUNNERS does not accurately represent the last or the middle placed runners to finish