Homeostasis it is an organism's ability to keep a constant internal environment.
C clouds
Clouds form when the invisible water vapor in the air condenses into visible water droplets or ice crystals
Answer:
B is most likely used for reproduction.
This statement is true. Early land animals indeed had gills as well as lungs. It is generally known that amphibians breathe through their skin, like how the lungs needed the skin for its respiratory. Fish have gills for breathing while mammals do have their nasal cavity and lungs for their gas exchange.
