When unrelated organisms develop a similar biological trait, this is considered convergent evolution. In fact, although penguins appear to swim underwater, they are technically using their wings to fly underwater. They have a layer of blubber under their skin for insulation. Their body is streamlined, an adaptation for swimming easily as their body can cut through the water, propelled by their wings and their webbed feet are used for steering. Dolphins also have blubber to help insulate their bodies. They have a streamlined torpedo shape allowing for faster movement in water. Because many of the same characteristics are in both the penguin and dolphin but were arrived at via different evolutionary pathways, one would call this convergent evolution.
Popular QuestionsBrowse All
Latest answer posted February 09, 2016 at 1:09:35 AM
If the amino acid sequence of the two organisms are similar , would their DNA be also similar ? why ?
1 Educator answer
Latest answer posted December 07, 2018 at 12:04:01 PM
Rank the following items in order from largest to smallest: cell, chromosome, gene, DNA, organism, nucleus.
3 Educator answers
Latest answer posted July 17, 2012 at 2:55:17 PM
16 Educator answers
Latest answer posted September 19, 2015 at 9:37:47 PM
2 Educator answers
Latest answer posted July 06, 2009 at 9:23:22 PM
7 Educator answers