Which one of the following is the characteristic for birds?
A. They are flying animals
B. They are warm blooded
C. They are bipedal and have feather
D. They are quadruped and have scales
Answer:C
Which one of the following is the characteristic for birds?
A. They are flying animals B. They are warm blooded C. They are bipedal and have feather D. They are quadruped and have scales