Hi!!!!!!!!! We have been leaning about vertebrates. My favourite part of leaning about vertebrates was just relly leaning about them. Did you know the staf I’m abou t to tybe next? Mammals have fur or hair to keep their bodies warm. Mammals are warm-blooed which means they can maintain their body temperature(Did you know that humens are mammals?). Fish are cold-blooed which means their body temperature changes according to the environment. Fish have gills to breathe. Birds are warm-blooed which means their body temperature dose not change. Birds have lungs and air bags. Please, leave a comment. Thank you for reading my post.
