All the domestic breeds of dogs that we are familiar with, from chihuahuas to pit bulls, are the same species: Canis lupus<span> familiaris. In fact, our dogs are a subspecies of </span>Canis lupus<span>, or ->*wolf*<-</span>
Fats are storage molecules , while enzymes are catalytic molecules
Answer:
B(sperm production)
D(appearance of secondary sex characteristics)
Explanation:
