Answer:
The correct order is:
4. Mesenchymal cells aggregate.
2. Osteoblasts differentiate within mesenchymal connective tissue.
1. Clusters of osteoblasts form osteoid that becomes mineralized.
3. Spicules of bone radiate out from the ossification centers.
Bellow I attached the punnet square you need. From it you can see, that the likelihood of producing an offspring with attached earlobes is 25% (ff)
The Fate are determined by the mass of the star.
So,your answer is <span>b) The star's mass.
Hope this helps :)</span>