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Biology I

Biology I

Biology I. Chapters 16 & 17. Do Now. The diagram above shows several fossilized remains that were discovered at an archaeological dig site. The molecular and structural similarities observed among these organisms is best explained by which of the following? A. human impact

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518 views • 51 slides
Chapter 16: Evolution of Populations

Chapter 16: Evolution of Populations

Chapter 16: Evolution of Populations. When Darwin developed his theory of evolution, he did not understand: how heredity worked. This left him unable to explain two things: a. source of variation b. how inheritable traits pass from one generation to the next.

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517 views • 49 slides
What is a species?

What is a species?

What is a species? a species is a population of organisms that can successfully interbreed but cannot breed with other groups. How do we classify species? By a species morphology -internal and external structure and appearance Why do we have different species? What causes different species?.

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755 views • 49 slides
Cross-Dressing Salmon

Cross-Dressing Salmon

Cross-Dressing Salmon. By Tom Horvath (adapted with changes by Julie Korb) SUNY College at Oneonta. CQ#1: Which statement best describes natural selection?. Survival of the fittest. The strongest individuals get to reproduce. The best adapted individuals survive and reproduce.

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555 views • 32 slides
Theory of Evolution

Theory of Evolution

Theory of Evolution. Chapter 16 & 17. Evolution. change over time. Acquired trait hypothesis. Jean-Baptiste Lamarck proposed a theory that organisms pass on traits they acquire in their lifetime. Thomas Malthus.

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293 views • 22 slides

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