evolution

Evolution Social Sciences

Darwin Day Repost – Ex Omnia Conchis: Darwin And His Beloved Barnacles

This post was based on a talk I gave for Darwin Day last year at the Duke Marine Lab. Reposting in honor of Darwin Day.…

Scientist!

Darwin Day Road Show

Dr. M February 8, 2011 Darwin Day Darwin Day Road Show evolution

The National Evolutionary Synthesis Center is trying an experiment this year for Darwin Day. In 2011 we are taking Darwin Day on the road. We…

Adaptations Evolution New Research Seeps, Vent, & Whale Falls

Barnacle Evolution I: Phylogeny Served Without Plates

Kevin Zelnio January 10, 2011 Barnacle Best of Zelnio Darwin evolution Hydrothermal Vent Morphology Phylogenetics shell Stalked Barnacle Systematics taxonomy

Barnacle evolution was recently rewritten by a large effort of Perez-Losada and colleagues in 2008. Using a combination of genes and morphological traits they rejected…

Adaptations Biology Evolution Fish Mating & Reproduction Organisms Paleobiology

Of eyes and sex in lizardfishes

Dr. M October 20, 2010 adaptation Cretaceous deep sea evolution hermaphrodite Jurassic lizardfish

145 million years ago, in the Cretaceous, the air was warm and the seas were high and rum flowed freely. On land, mammals were oppressed under dinosaur…

Adaptations Cephalopods Ecology Evolution Mating & Reproduction Organisms

If Molluscs Could Communicate What Would They Say?

Dr. M September 6, 2010 acoustic adaptation Cephalopod ear echinoderms evolution Gastropod Geerat Vermeij Mollusc Morphology Predation RB Editor's Selection reprodcution sensory shell Sound

Why don’t animal’s use wheels in locomotion? Why aren’t blue whales bigger? Why are there no freshwater starfish? Why are there no tree dwelling cephalopods?…

New Research Organisms Plankton

What in Darwin’s Name Are Chaetognaths?!

Kevin Zelnio June 7, 2010 Best of Zelnio Cambrian Chaetognath Current Biology Deuterostome Ecdysozoa evolution fossil molecular phylogeny Phylogenetics Platyhelminthes Priapulida Protostome RB Editor's Selection

Lynn Margulis classified the Chaetognaths, known as arrow worms, as deuterostomes. Deuterostomy is characterized by several developmental characteristics including radial, indeterminate cleavage, a posterior position…

Carnivals & Link Love Ecology Education Giant Isopod New Research Organisms Reviews Scientist! Seamount

What’s New With the Dr. M and the Oceans?

Dr. M April 13, 2010 American Scientist bivalve deep sea Ecology evolution Gastropod Giant Isopod Hydrothermal Vent island rule isopocalypse MBARI Monterey Canyan National Geographic NESCent New Species Organisms Seamount Sigma Xi Snail Southern Fried Science twitter

You might have noticed that my posting frequency is down recently. Why? 1. Kevin Z convinced me to start Tweeting. There seems to be an…

Adaptations Fish Mating & Reproduction New Research Pictures and Movies

The Dark Side of Male Pregnancy

Kevin Zelnio March 19, 2010 Brooding evolution Henry Gee Nature Parental Care Pipefish seahorse

Nicely narrated by Henry Gee! See the paper here: Paczolt KA, Jones AG (2010) Post-copulatory sexual selection and sexual conflict in the evolution of male…

Mating & Reproduction Organisms Social Sciences

Ex Omnia Conchis: Darwin and His Beloved Barnacles

Kevin Zelnio February 16, 2010 Archetype Barnacle Best of Zelnio Charles Darwin Cirripedes Cryptophialus Darwin Day Erasmus Darwin evolution Hermaphroditism HMS Beagle Homology John Hooker Lamarck Mr. Arthrobalanus On the Origin of Species Richard Owen Robert Chambers taxonomy Vestiges Zoonomia

As part of Darwin Day on Friday, I gave a brief talk at Duke Marine Lab during happy hour about Darwin and his beloved barnacles.…

Fish New Research Organisms

Deep-Water Origin of Freshwater Eels

Kevin Zelnio February 3, 2010 Anguilla Best of Zelnio Eel evolution Freshwater Eel phylogenetic

Larval eel jaw diversity from Michael Miller 2009 ASMB 2(4): 1-94. There are all sort of eels in this world. Big ones, small ones, gulper…

Deep Sea News

Tag: evolution