'Favorable traits' diaporamas de présentation

Major Objectives

Major Objectives. 1. Understand the historical context for evolutionary theory, including Darwin's field research that helped frame his view of life 2. Define Darwinism and Darwin's main ideas from the Origin of Species

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Theory of Evolution

Theory of Evolution. What is Evolution?. Evolution is a process of change through time. A change in species over time. Theories of evolution provide an explanation for the differences and similarities in structure, function, and behavior among life forms.

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Adaptations

Adaptations. How did the tiger get its stripes?. http://nationalzoo.si.edu/Animals/GreatCats. How did the anteater get such a long tongue?. http://nationalzoo.si.edu/Animals/GreatCats. Why are there so many cypress trees in the swamp?.

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5/ 14/12

5/ 14/12. YOU DO NOT NEED NOTEBOOKS TODAY From the back table, pick up your question sheet from Friday . 5/15/12. Who is this man? What is he famous for? FYI: WE ONLY HAVE 2 MORE WEEKS TOGETHER ?. Evolution. Theory of Evolution. Change over time

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Natural Selection and the Evidence for Evolution

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Arguments & evidence

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Evolution

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Theories of Evolution

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Chapter 18

Chapter 18 . Change Over Time. Plate Tectonics.

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Good Afternoon

Good Afternoon. Turn in HW: Batesian Mimicry Discuss Questions Take out a pen & paper and lets learn some evolution! .

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Star-nosed mole: Pre-questions for discussion

Star-nosed mole: Pre-questions for discussion. Introduction to Evolution. Pink snout has 22 finger-like projections that can touch 12 objects in less than 1 second. Q: Why is this helpful? Lives underground and has paddle shaped feet Q: Why is this helpful?

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What is Evolution?

What is Evolution?. Chapter 4.1 and 4.4. What conditions in the environment cause these 2 examples to survive and develop over thousands of years?. Locate the animal. Locate the animal. Locate the animal. Evolution. Genes control the inherited traits of organisms.

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Individuals in a population may evolve.

Individuals in a population may evolve. True False. False! Individuals do NOT evolve; POPULATIONS do!. Populations evolve, not individuals!. Natural selection acts on individuals. Some individuals are better adapted. Some individuals will bear more offspring than others.

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Characteristics of Life

Characteristics of Life. 1. All Life is Made of Cells. Cells are very small, very organized and covered by a membrane. Cells are the smallest unit of life. 2. All living things reproduce. 3. Metabolism. What do scientists mean by metabolism?.

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Unit 7-Change with Time (Evolution)

Unit 7-Change with Time (Evolution). Evolution. Change With Time The development of new types of organisms from pre-existing types of organisms over time. Diversity of life. Wide variety of living things Estimate over 10 million species. Adaptation.

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Social Darwinism

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Antibacterial Products and Natural Selection

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Theory of Evolution: Darwin vs. Lamarck

Theory of Evolution: Darwin vs. Lamarck. Texas Horned Lizard. Defense Behavior Adaptations Its horns are extensions of its cranium and contain true bone. When threatened it will puff up its body to cause its spiny scales to protrude, which makes it hard to swallow.

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