'Unrelated species' diaporamas de présentation

Genomic Firsts

Genomic Firsts. 1976: RNA virus -- Phage MS2 (3 kbp) 1977: DNA virus -- Phage ?-X174 (6 kbp) 1995: Bacteria -- Haemophilus influenzae (1.8 Mbp) 1995: Eukarya -- Saccharomyces cerevisiae (12 Mbp) 1996: Archaea -- Methanococcus jannaschii (1.6 Mbp)

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Community Structure (Chapter 21) Defining communities Patterns of community organization Patterns of diversity

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Bellwork

Bellwork. Imagine that you are traveling in Madagascar when you find the plant to the left . You see that the plant has an

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Bellwork : Read the information below and follow the directions as given.

Bellwork : Read the information below and follow the directions as given. .

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PATTERNS IN EVOLUTION

PATTERNS IN EVOLUTION. Patterns in Evolution. Divergent. Convergent. Parallel. Divergent Evolution. Divergent evolution is the evolution of different species (populations) from a common ancestral species (population). . Homologous Structures.

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Evidence for Evolution and the Mechanisms

Evidence for Evolution and the Mechanisms. Evidence: 15-3 Mechanism: 16-3.

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Speciation & Patterns of Evolution

Speciation & Patterns of Evolution. *. Objectives. Explain how the isolation (physical or genetic) of populations can lead to speciation. *. Vocabualry. Species Speciation Geographic isolation Allopatric Speciation Reproductive Isolation. Sympatric Speciation Gradualism

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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.

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KEY CONCEPT Evolution occurs in patterns.

KEY CONCEPT Evolution occurs in patterns. Evolution through natural selection is not random. . Natural selection can have direction. The effects of natural selection add up over time. Convergent evolution describes evolution toward similar traits in unrelated species. kit fox. red fox.

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Systematics

Systematics. ordering living organisms by groups called taxa taxa are ordered from largest to smallest; the smallest taxon is called the specific epithet. Classification Hierarchy : e.g. Mockingbird. Kingdom- Animalia Phylum- Chordata Class - Aves Order- Passeriformes Family- Mimidae

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Speciation

Speciation. The formation of a new species. Speciation - occurs in isolated populations. Geographic isolation leads to reproductive isolation Once the population is geographically isolated, they adapt to their unique environment .

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Definition of Words

Definition of Words. By Alan Liu. First word : Convergence. Convergence has various definitions It means: (1) The point of converging: the house is at the convergence of two roads . It also means (2) the act of converging: At last the global convergence is obtained.

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White Oak Wood Logs

White Oak Wood Logs for Sale - Buy Oak Log at best price in the USA from Glehand. Our white oak logs are carefully selected from logger supplies in the upper Midwest, providing highly desirable color and grain features.

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