Starfish: Marine Snakes

Snakes are just lizards without legs, right? Scholars study the sensational evolutionary history of the snake with a video from a well-written biology playlist. Topics include snake fossils, theories on snake evolution, and...

An informative site from Sea and Sky that contains basic characteristics along with a number of beautiful pictures of the common marine reptiles.

From coloring to hard protective shells, ocean creatures have adaptation features that help them survive. An eight-question online quiz highlights different ocean animals and their unique characteristics. The resource then offers pop-up...

View graphics of a mimic octopus, frog fish, snake eel, hermit crab and clown fish. Discover how they form symbiotic relationships.

Learn about venomous fish and other animals with the ability to inject venom, such as jellyfish and other venomous invertebrates.

Everything you've ever wanted to know about vertebrate kidneys. Modules include Freshwater Vertebrates, Amphibians, Lizards and Snakes, Birds, Mammals, Marine Fishes. Resources can be used as classroom notes or supplemental materials.

In this biology learning exercise, students identify and locate various vocabulary terms pertaining to animals of the sea. There are 18 marine animals located in the word search.

This site explores the fossilized remains of sea stars found in Southern Australia. Content includes a look at the physical characteristics of these animals.

Sydney Harbour has a large variety of reptile species roaming through its sandstone gullies and ridges. Learn about the turtles, lizards and snakes of Australia.

In this biology worksheet, students complete a crossword puzzle with 20 questions on echinoderms and chordates characteristics and features.