What is this animal and i can answer it
They are well at surviving because of their thick white coat. The white fur helps them blend in with the snow and ice. The polar bear also has a layer of fat under their skin so they can survive harsh temperatures.
Answer: question 6
Explanation: Biogeography The fossil record, Embryology, similarity and vestigial structures, genetics and Observable evolution on small timescales.☺
Respiratory system= breathing system
To keep our Respiratory system healthy we should:
1- never breathe in front of polluted areas
2- never pollute our areas
3- try to make our environment normal
