tag:blogger.com,1999:blog-4445946479582895632.post6043376739786754958..comments2023-04-29T04:52:59.056-05:00Comments on Life Before the Dinosaurs: Cameroceras (Part 2).Arthttp://www.blogger.com/profile/05465158136828482934noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-4445946479582895632.post-90611913111539392002012-03-23T11:45:34.731-05:002012-03-23T11:45:34.731-05:00You'll be intrigued to know that, however effi...You'll be intrigued to know that, however efficient a locomotor mechanism jet propulsion might be, it's a dangerous respiratory mechanism. The use of jet propulsion in the cephalopod tradition limits a creature's ability to change how much oxygen it's extracting from the water based on its needs. Between that and their unusual respiratory pigments, cephalopods are actually quite poor endurance athletes, despite their ability to generate bursts of speed intermittently.<br /><br />The more you know :)Alexanderhttps://www.blogger.com/profile/13248618418360886515noreply@blogger.com