These are most likely the answers:]
1)1
2)4
3)5
4)2
5)3
I don’t understand the question but if I can make a correct inference, they have thorns to protect themselves from predators.
Answer: The kinetic energy of the flying bird is 56 Joules.
Explanation:
Mass of the bird = 7 kg
Velocity of the flying bird = 4 m/s
Kinetic energy of the bird will be given by :


The kinetic energy of the flying bird is 56 Joules.