'Aposematic coloration' presentation slideshows

Evolutionary Patterns

827 views • 61 slides

Predator-prey interactions: lecture content

Predator-prey interactions: lecture content. Predator-prey interactions often dramatic, illustrated by snowshoe hare-lynx population fluctuations Simple Lotka-Volterra predator-prey model generates fluctuations of prey, predator

723 views • 34 slides

The Genetical Theory of Natural Selection

The Genetical Theory of Natural Selection. Where natural selection occurs. Fundamental patterns of intraspecific natural selection. Disruptive. Rare. Carnivores. Consume nutritionally-rich prey. Problems involve capture Some prey d efensive signals: Aposomatic coloring - Warning colors.

321 views • 22 slides

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.

519 views • 18 slides

Chapter 54.1-2 Community Ecology: The Interactions of Different Populations

Chapter 54.1-2 Community Ecology: The Interactions of Different Populations. I. What is a Community?. - An assemblage of species living close enough together for potential interaction. What forms the community structure?. II. Interspecific Interactions!.

415 views • 17 slides

Natural Selection: experimental evidence

Natural Selection: experimental evidence. Do Tephritid flies mimic jumping spiders?. Zonosemata. Coevolution. Two or more species. Change in one species serves as a selector for change in the other species. Interplay of changing gene frequencies. Parallel evolutionary paths.

302 views • 16 slides

Ecological interactions lead to evolutionary change

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Ecology: Preserving the Animal Kingdom

Ecology: Preserving the Animal Kingdom. Chapter 6. T he study of how natural processes affect the size, composition and dynamics of a population. Review Words. Population Community Ecosystem Biosphere Ecology Density-dependent Density-independent Exponential Growth Logistic Growth

181 views • 11 slides

Ecological and Evolutionary Principles

Ecological and Evolutionary Principles. Ecology. the study of interactions between organisms and their environment distribution and abundance biotic vs. abiotic. Ecological Hierarchy. Biosphere Ecosystem Community Population Individual. Niche.

315 views • 8 slides

POISON DART FROG

366 views • 7 slides

The Understory: What we might find there

The Understory: What we might find there. By: David and Andrew. The Poison Dart Frog. The poison dart frog displays some of the most brilliant colours on its body. These brilliant colours vary and is also part of a technical strategy to ward off predators called aposematic coloration .

175 views • 6 slides