The History of Animal Evolution sci.waikato The evolution of amphibians By the Devonian period two major animal groups dominated the land the tetrapods legged terrestrial vertebrates and the arthropods, including arachnids and wingless insects The first tetrapods were amphibians, such as Ichthyostega, and were closely related to a group of fish known as lobe finned fish e.g Eusthenopteron. Evolution Evolution is change in the heritable characteristics of biological populations over successive generations These characteristics are the expressions of genes that Biology Animal Evolution Shmoop Biology Evolution is the basis for the diversity of life Evolution is the process of change that has occurred to life over time Evolution is the process of change that has occurred to life over time Life on Earth hasn t always been the same. Animal evolution Article about Animal evolution by The Animal evolution The theory that modern animals are the modified descendants of animals that formerly existed and that these earlier forms descended from still earlier and different organisms. Evolution Reference A Z Animals Natural selection is believed to be one of the most influential factors in animal evolution Natural selection is the process where likeable or successful traits in an animal are passed along to the young in order to give them a better chance of survival. Animal Animal Evolution YouTube Evolution on our planted Earth created at Weird Cases of Incredible Animal Evolution Listverse Evolution is often seen as a series of steps forward, from primitive to advanced, or from ocean to land In the Devonian era, Earth was dominated Animals That Are Evolving Right Before Our Eyes Scientists said evolution this rapid would be like humans developing another appendix over a few hundred years Or better yet, Americans spontaneously evolving butt muscles that turn digested corn syrup into car fuel. evolution Theory, Examples, Facts Britannica Evolution Evolution, theory in biology postulating that the various types of plants, animals, and other living things on Earth have their origin in other preexisting types and that the distinguishable differences are due to modifications in successive generations It is one of the keystones of modern biological theory.