1. Animal Vertebrate Essay
... develop internally, but there are not enough nutrients in the egg sac to nourish the baby for the full amount of time. So, the baby is born early and it goes into a pouch on the mother's belly and it stays there until it is old enough and totally developed. The mother's pouch protects and feeds the baby at the same time ... . Amphibians are aquatic for the first part of their life and then terrestrial. First they move with their tail and then with arms and legs. Compared to amphibians, reptiles have longer stronger limbs whose movements are controlled. The legs are well adapted to burrow...
- Word Count: 1929
- Approx Pages: 8
- Grade Level: High School