Vertebrate adaptations for terrestrial Life.
Title: Vertebrate adaptations for terrestrial Life.
Category: /Science & Technology/Biology
Details: Words: 632 | Pages: 2 (approximately 235 words/page)
Vertebrate adaptations for terrestrial Life.
Category: /Science & Technology/Biology
Details: Words: 632 | Pages: 2 (approximately 235 words/page)
showed first 75 words of 632 total
You are viewing only a small portion of the paper.
Please login or register to access the full copy.
Please login or register to access the full copy.
showed last 75 words of 632 total
shells, which do not have to worry about losing water. The amniotic cavity formed by the amnion is fluid-filled, protecting the embryo. The egg case often leathery in reptiles, and calcified in birds protects the contents, while permitting gas to be exchanged with the surroundings. This egg also prevents the evaporation of water from the embryo, since the egg cannot walk to the store and buy some Evian, it needs all to water it has.