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Slide 1 Paleogene Lecture 25 Copyright © 2012 Joe Marx. Slide 2 Cenozoic Era Third of the three eras that comprise the Phanerozoic. –From 65 mya to now. Named for its…

Slide 1 Comparative aspects of the biology of the Arctic and Antarctic marine ecosystems Slide 2 The Arctic is an ocean surrounded by land. The Antarctic is a continent surrounded…

Slide 1 Class Chondrichthyes: cartilaginous fishes  The class Chondrichthyes has two subclasses: Elasmobranchii, which includes the sharks and rays. Elasmobranchii, which…

Slide 1 Monitoring restoration success: Assessing Marine-Freshwater Food Web Linkages Using Stable Isotopes Dr. Karen Wilson, University of Southern Maine Dr. Graham Sherwood,…

Slide 1 Molluscs Slide 2 Molluscs/Mollusks  Over 200,000 species of molluscs  More marine species than any other Phylum  Most have soft bodies enclosed in calcium…

Molluscs Molluscs are invertebrates. They have a soft body, but often protected shell. Are for exapmle : snails, clams, octopus, squid, starfish, sea urchins. Shells are…

* Last Words on SETI & CETI and some Space Travel Basics HNRT 228 SPRING 2015 Dr. H. Geller * What I Will Cover Today Final words about CETI Space Travel Space Environment…