Answer:
I think B is baby teeth and A is permanent teeth
a) Baby teeth doesn't fall on schedule and permanent teeth come in behind them this results is two rows of teeths.
No, what determines a dominant gene is how many copies of that gene exists within the parent. This doesn't mean it will be the most common because of recessive genes. It doesn't matter how many copies a dominant gene has, a recessive gene can still appear in the offspring.
The correct option is D.
According to the British Anatomist, primates have these three distinguishing characteristics"
1. Primates eat a wide variety of food, that is, they exhibit dietary plasticity.
2. Primates are adapted to living on trees. Primates have specific anatomical structures and behavior which adapted them to living on trees.
3. Primate put in a lot of time in taking care of their offspring. Primate usually give birth to few children but they invest time in taking care of their children.