'Most fit' diaporamas de présentation

15-3 Darwin Presents His Case

15-3 Darwin Presents His Case. Darwin was deeply troubled by all that he had seen and discovered Hesitated to publish his findings In 1858, Alfred Russel Wallace wrote to Darwin and evidently had made the same discoveries that Darwin had on his voyage.

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Chapter 13

Chapter 13. Part 2. Crossing Over. Duplicated homologous chromosomes connect, this is called synapsis . Pieces of DNA swap, called crossing over . All 4 chromatids together make a tetrad . Each tetrad has at least one site of chiasma , where crossing over occurs. Metaphase I.

350 views • 12 slides

Survival Of the Fittest

Survival Of the Fittest. How fit are you???. A shark comes along and is looking for brightly colored prey among the dark ocean sand. Bright colors -1 Dull colors +1. You are hanging out with your fishy friends and you need to swim quickly away from an eel. Streamline body + 1

207 views • 12 slides

Natural Selection

249 views • 10 slides

The Organization of Life

The Organization of Life. Ch 4, Section 2: Evolution Standards: SEV2a, SEV3a, SEV3b, SEV3d. What is Evolution?. Change in the traits of a population over a long period of time. Evolution DOES NOT happen to an individual organism. Evolution is the end result of natural selection.

221 views • 8 slides

Debating & Amending the Constitution

Debating & Amending the Constitution. The Federalists and the Anti-Federalists Major Areas of Disagreement Large (Extended) Republic v. Small Republic (Fed. 10) Bill of Rights Separation of Powers (Fed. 50) Federalism/National Powers Powers of President and Judiciary

158 views • 6 slides