Answer:
The intervertebral discs of the spinal column and 'long bones' such as the femur and tibia.
Explanation:
It provides protection for the plant cell and supports the shape of the cell.
The answer is A.
Twins form in one of two ways:
Identical twins occur when a single fertilized egg splits into two.
Fraternal twins occur when two, separate eggs are fertilized by two, separate sperm.
