Chapter 25: Vertebrate Diversity

Vertebrate Evolution

Interactive phylogenetic tree of vertebrates

http://www.amnh.org/exhibitions/permanent-exhibitions/fossil-halls/hall-of-vertebrate-origins

http://www.amnh.org/exhibitions/permanent-exhibitions/fossil-halls/hall-of-vertebrate-origins

(Main Idea: All vertebrates share some common features.)

 

 

Lampreys

Video describing the lamprey, one of the only remaining jawless fish

http://www.bbc.co.uk/nature/life/European_brook_lamprey#p007fjrz

http://www.bbc.co.uk/nature/life/European_brook_lamprey#p007fjrz

(Main Idea: Fossil evidence sheds light on the origins of vertebrates.)

 

 

Cartilaginous Fish

Collection of high quality photographs and videos about cartilaginous fish

http://www.bbc.co.uk/nature/life/Chondrichthyes

http://www.bbc.co.uk/nature/life/Chondrichthyes

(Main Idea: Only two groups of jawed fish still exist.)

 

 

Shark Population Declines

Interactive animation depicting several species of shark whose numbers are declining

http://www.pbs.org/kqed/oceanadventures/episodes/sharks/interact/

(Main Idea: Only two groups of jawed fish still exist.)

 

 

All About Sharks

Interactive animation describing general information about sharks, their senses,  and their anatomy

http://www.discoveryuk.com/web/sharks/conservation/anatomy-of-a-shark/

http://www.discoveryuk.com/web/sharks/conservation/anatomy-of-a-shark/

(Main Idea: Only two groups of jawed fish still exist.)

 

 

Shark Anatomy

Interactive diagram illustrating the internal anatomy of a great white shark

http://animals.nationalgeographic.com/animals/wild/events-shark-attack-experiment-live/great-white-odyssey/

(Main Idea: Only two groups of jawed fish still exist.)

 

 

Eels

Slideshow of photographs depicting the eel, a ray-finned fish that migrates across an ocean without resting

http://ngm.nationalgeographic.com/2010/09/eels/doubilet-photography

(Main Idea: Ray-finned fish have a fan of bones in their fins.)

 

 

Giant Catfish

Video describing the Mekong giant catfish, the largest species of freshwater fish

http://video.nationalgeographic.com/video/player/animals/fish-animals/bony-fish/mekong-giant-catfish-ani.html

(Main Idea: Ray-finned fish have a fan of bones in their fins.)

 

 

Ray-Finned Fish

Collection of high quality photographs and videos about ray-finned fish

http://www.bbc.co.uk/nature/life/Actinopterygii/by/rank/all

http://www.bbc.co.uk/nature/life/Actinopterygii/by/rank/all

(Main Idea: Ray-finned fish have a fan of bones in their fins.)

 

 

Anatomy of a Lobe-Finned Fish

Interactive diagram illustrating the anatomy of the coelacanth, a primitive lobe-finned fish once thought to have gone extinct with the dinosaurs

http://www.pbs.org/wgbh/nova/nature/anatomy-coelacanth.html

(Main Idea: Lobe-finned fish have paired rounded fins supported by a single bone.)

 

 

Frog Dissection

Virtual frog dissection with photographs, narration, and video

http://frog.edschool.virginia.edu/Frog2/

(Main Idea: Amphibians were the first animals with four limbs.)

 

 

Amphibians

Collection of high-quality photographs and videos about frogs, toads, salamanders, and caecilians

http://www.bbc.co.uk/nature/life/Amphibian/by/rank/all

http://www.bbc.co.uk/nature/life/Amphibian/by/rank/all

(Main Idea: Modern amphibians can be divided into three groups.)

 

10 Most Wanted Amphibians

Slideshow of 10 amphibian species that may have gone extinct

http://news.nationalgeographic.com/news/2010/08/photogalleries/100810-ten-lost-extinct-amphibians-frogs-science-environment-pictures/

http://news.nationalgeographic.com/news/2010/08/photogalleries/100810-ten-lost-extinct-amphibians-frogs-science-environment-pictures/

(Main Idea: Modern amphibians can be divided into three groups.)