Slide 1Figure 10.1 Time scale and tempo of early animal evolution: the key metazoan groups are shown with the putative age of their last common ancestor, together with an…

1.PLEASE SCROLL DOWN FOR ARTICLEThis article was downloaded by: [University of Texas at Austin]On: 13 August 2009Access details: Access Details: [subscription number 907743372]Publisher…

1. An introduction to evolution Leaves on trees change color and fall over several weeks. Mountainranges erode over millions of years. A genealogy illustrates change…

A Phylogeny of Piptochaetium (Poaceae: Pooideae: Stipeae) and Related Genera Based on a Combined Analysis including trnL-F, rpl16, and Morphology ANA M. CIALDELLA,1 LILIANA…

Slide 1 The Protists Chapter 20 Slide 2 Protists General characteristics –Unicellular, colonial, simple multicellular organisms –Eukaryotic –Some exhibit both plant…

Slide 1 Lab 7: Animals I: Porifera, Radiata, and Introduction to Bilateria Slide 2 video spongin (collagen) Part A:Sponges (Phylum Porifera) No Symmetry (asmmetrical); no…

American Journal of Botany 91(10): 1645-1655. 2004. MONOCOT RELATIONSHIPS: AN OVERVIEW MARK W. CHASE 2 ,3 2 Molecular Systematics Section, Jodrell Laboratory, Royal Botanic…

* Scientists generally agree about the taxonomic classification of 36 animal phyla -They do disagree, however, about how these are interrelated Traditional reconstructions…

Noncoelomate Invertebrates Chapter 33 Invertebrate Phylogeny Revolution Scientists generally agree about the taxonomic classification of 36 animal phyla -They do disagree,…

The vertebrate story⦠The vertebrate story⦠The vertebrate story⦠The vertebrate story⦠Agnatha Extinct: * *Mostly small fish 2cm (some up to 2m) * *4 openings…