Q1. What limits the size of an animal? Also what is the importance in their habitat being either terrestrial or aquatic- why is here a difference between there masses like why is an elephant (the largest land animal) 5,000 kg and blue whale (the largest aquatic animal) 1000,000 kg. Essentially why is there such a big difference and also just what limits an animal’s size all together?

Q2. A form of vitamin D-resistant rickets, known as hypophosphatemia, is inherited as an x-linked dominant trait. If a male with hypophosphatemia, marries a normal female, which predictions concerning their potential progeny would be true?