Question

II. Fill in the blanks:
1. The plate-like structure at the front of the knee is
called the
2.
is an example of a hinge
joint.
3. In a bird, the hindlimbs are modified for
and
4. A
moves with the help of a
strong muscular foot.​

Answer 1

Answer -

1. Patella
2. fingers, toes
3. wings
4. snail