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Chapter 16: Population Genetics and Evolution

Chapter 16: Population Genetics and Evolution

Exam #2: Dec 22. 2-3.30 pm. Exam Hall Chapters: 7, 10, 11, 12, 13, 14, 16 (Adib Kfoury proctoring) Homework assignment: due today. Chapter 16: Population Genetics and Evolution. Robert E. Ricklefs The Economy of Nature, Fifth Edition. Maintenance of Genetic Variation 1. A paradox:

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554 views • 45 slides
Ecosystems

Ecosystems

Ecosystems. Communities and Ecosystems Ecosystem is one or more communities plus the non-living (abiotic) factors. Biodiversity is the variety of different kinds of organisms that make up a community. Ecosystems.

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669 views • 37 slides
Fundamental niche

Fundamental niche

Realized niche. Fundamental niche. Character displacement in beak size in poulations of Galapagos finches. # prey predator kills; on predator efficiency = c, # prey, # predators. Efficiency of converting kills to new predators. Death rate of predators in absence of prey. # kills.

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754 views • 36 slides
Phylum Arthropoda / Echinodermata

Phylum Arthropoda / Echinodermata

Phylum Arthropoda / Echinodermata. Brought to you by: Kate Lee, Beth Reinert , Christie Currie, and Maggie Gorski. Main Characteristics. Segmented animals Five subphylums : Trilobita , Cehelicerata , Crustacea , Myriapoda , and Hexapoda

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Insect Defensive System

Insect Defensive System

Insect Defensive System. Lecture 20. Insects face constant danger from enemies. Predators (vertebrate, invertebrate) Parasites and parasitoids Pathogens. Various insect defense mechanisms. Against predators Crypsis Thanatosis Startle display Modified body parts Autotomy

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2.94k views • 20 slides
Pollination, Crypsis, Aposematic Coloration, and Mimicry

Pollination, Crypsis, Aposematic Coloration, and Mimicry

Pollination, Crypsis, Aposematic Coloration, and Mimicry. 2-22-05. pollination. To transfer pollen from an anther to a stigma. stigma. anther. Orchid bees are both beautiful and good pollinators. Aposematic coloration.

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513 views • 18 slides

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