'Derived traits' presentation slideshows

Ch 27 Introduction - Phylogenies

Ch 27 Introduction - Phylogenies. In biology we must consider profound changes in the nature of life on Earth over immense periods of time. There are two major analytical tools that biologists use to reconstruct the history of life: phylogenetic trees and the fossil record.

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Plants in Review

Plants in Review. AP Biology 2010-11. Life Emergent Properties. Organization Energy Use Regulation/Homeostasis Evolution Response to Environment Growth & Development Reproduction. Biological Levels of Organization.

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Chapter 29

Chapter 29. Plant Diversity I: How Plants Colonized Land. Overview: The Greening of Earth. Since colonizing land at least 475 million years ago, plants have diversified into roughly 290,000 living species. Plants supply oxygen and are the ultimate source of most food eaten by land animals.

433 views • 43 slides

Reconstructing and Using Phylogenies

Reconstructing and Using Phylogenies. Reconstructing and Using Phylogenies. Phylogenetic Trees Steps in Reconstructing Phylogenies Reconstructing a Simple Phylogeny Biological Classification and Evolutionary Relationships Phylogenetic Trees Have Many Uses. Phylogenetic Trees.

552 views • 42 slides

CLASSIFICATION OF LIFE

CLASSIFICATION OF LIFE. Terms To Know Prokaryote : Simple cells that have no nucleus Eukaryote : Complex cells, with a nucleus and many organelles Unicellular : Organisms made of one cell Multicellular : Organisms made of two or more cells Autotroph :

734 views • 37 slides

Evolution

Evolution. Key Points. Heritable characteristics increase or decrease an organisms chance of survival Evolution is the change of the genetic makeup of a population over time More closely related organisms have more closely related DNA and proteins

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What does it mean to be biologically human?

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Chapter 25: Phylogeny and Systematics

Valuable Information Can Be Derived From Classifying Organisms A parasitic flatworm, Schistosoma, causes a blood infection in over 200 million people in S. America, Africa, China, Japan and Southeast Asia. This flatworm inhabits two organisms during its lifecycle.

435 views • 26 slides

Chapter 25: Phylogeny and Systematics

Valuable Information Can Be Derived From Classifying Organisms A parasitic flatworm, Schistosoma, causes a blood infection in over 200 million people in S. America, Africa, China, Japan and Southeast Asia. This flatworm inhabits two organisms during its lifecycle.

263 views • 26 slides

Chapter 16

Chapter 16. Early Earth Constructing and using phylogenies. Urey and Miller.

243 views • 24 slides

Week 5: Stages of Vertebrate Evolution

Week 5: Stages of Vertebrate Evolution. Phylogenies: Trees of Life. Linnaeus: Linnaean System of Classification Based on similarity of traits Hierarchical: Kingdom Phylum Class Order Family Genius Species K ings P lay C hess O n F ine G rained S and

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Inferring phylogenies : closely related species should have traits in common

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Human Impact on the Evolution of the Cheeta!!

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