'Closely related species' diaporamas de présentation

CLASSIFICATION

CLASSIFICATION. All female mammals produce __________ Most mammals have ___________. Milk hair. The science of naming and classifying organisms. taxonomy. Linnean taxonomy classifies organisms based on their ________ and _________ similarities. physical structural.

2.88k views • 226 slides

Chapter 26

Chapter 26. Phylogeny and the Tree of Life. Fig. 26-1. Overview: Investigating the Tree of Life. Phylogeny is the evolutionary history of a species or group of related species The discipline of systematics classifies organisms and determines their evolutionary relationships

2.06k views • 179 slides

Chapter Intro-page 442

1k views • 81 slides

Phylogeny & the Tree of Life

Phylogeny & the Tree of Life. AP Biology Ch. 26. Life on Earth. We have identified 2 million species on Earth We believe that ~9 million species exist. http://discovermagazine.com/2012/jan-feb/63. Tree of Life. http://www.utexas.edu/features/2008/tree/. New Species.

781 views • 51 slides

Classification of Organisms

Classification of Organisms. Classifying Organisms. One important branch of biology investigates biodiversity , the variety of organisms considered at all levels from populations to ecosystems.

780 views • 50 slides

551 views • 44 slides

Chapter 20 Classification of Living Things

1.19k views • 38 slides

Chapter 22.

Chapter 22. Evidence of Evolution by Natural Selection. Dodo bird. Evolution is "so overwhelmingly established that it has become irrational to call it a theory.". -- Ernst Mayr What Evolution Is 2001 Professor Emeritus, Evolutionary Biology Harvard University (1904-2005).

472 views • 38 slides

Classification/Taxonomy

Classification/Taxonomy. Chapter 17. Why Classify?. To study the diversity of life, biologists use a classification system to name organisms & group them in a logical manner. Taxonomy. Defined : Discipline of classifying organisms and assigning each organism a universally accepted name.

492 views • 36 slides

673 views • 31 slides

Plant-animal interactions

Plant-animal interactions. Co-evolution? Herbivory Plant defense Pollination Seed dispersal Interactions across the life cycle Conservation: butterflies/host plants. Photos: Ricklefs (Economy of Nature), Bradshaw & Schemske, Kalko, http://www.inriodulce.com/links/ants.html.

2.42k views • 31 slides

The Origin of Species

717 views • 31 slides

Chapter 19

Chapter 19. Evidence of Evolution by Natural Selection. Dodo bird. THINK:. Make a list of all the vestigial structures you can think of. Why do they exist?. Vestigial organs. Modern animals may have structures that serve little or no function

415 views • 30 slides

ENVIRONMENTAL SCIENCE

ENVIRONMENTAL SCIENCE. Chapter 8 Understanding Populations 8.2 How Species Interact With Each Other. 8.2 How Species Interact With Each Other Objectives. Explain the difference between niche and habitat. Give examples of parts of a niche.

474 views • 28 slides

Jeopardy

384 views • 28 slides

Unit 1 - Introduction

462 views • 28 slides

Unit 1 - Introduction

273 views • 16 slides

SPONGE

SPONGE. How can reproductive isolation lead to speciation ?. KEY CONCEPT Evolution occurs in patterns. Main Ideas. Evolution through natural selection is not random Species can shape each other over time Species can become extinct Speciation often occurs in patterns.

291 views • 15 slides

Chapter 10: The Origin and Diversification of Life on Earth

487 views • 13 slides

I. Early Ideas on Origin of Species A. Genesis a. written around 1446 BC

I. Early Ideas on Origin of Species A. Genesis a. written around 1446 BC b. species are static; earth about 6000 years old. B. Anaximander a. around 500 BC b. life began in the sea c. simpler organisms begat the more complex ones. C. Aristotle ( 384-322 BC)

228 views • 12 slides