Answer:
Hey there is no complete question, we can't understand
Please write a complete question so that we can answer
The aquatic organism such as fishes will adapt themselves to have strong fins so as to swim upstream against the current. * The aquatic plants will adapt themselves to grow on the rocks present in the stream. * They may adapt themselves to have a streamlined body that resist being washed downstream by the current.Answer:
Explanation:
B, because it is the correct answer because i took that test lol
Answer:
Walls are thin.
Inner surface is moist.
Tissues are filled with blood vessels.
Exposed to air
Explanation: