'Batesian mimicry' diaporamas de présentation

Community Ecology -- Interspecific Interactions

1.11k views • 65 slides

Evolutionary Patterns

827 views • 61 slides

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:

554 views • 45 slides

Biodiversity

505 views • 31 slides

Introduction to Mimicry

Introduction to Mimicry. Presented by: Sean Brady Matthew Forte Michael Mourouzis Lenora Overstreet Dana Wilson. Introduction. Mimicry refers to the similarities between species.

614 views • 22 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.

320 views • 22 slides

Good Afternoon

Good Afternoon. Turn in HW: Batesian Mimicry Discuss Questions Take out a pen & paper and lets learn some evolution! .

671 views • 21 slides

Avoiding Predation

Avoiding Predation. Main content from: http://iweb.tntech.edu/cabrown/AnimBehav/4230AntipredatorBehavior.pdf. Two Ways to Avoid Getting Eaten. Predator avoidance behaviors remove animals from being perceived by predators

400 views • 21 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.

511 views • 18 slides

Animal Defense against Predators

Animal Defense against Predators. Chemical Defense Camouflage Mimicry. Chemical Defense. There are two main ways animals can use chemicals to defend themselves. make toxin using chemicals found in their body accumulate toxin from the food they eat. Chemical Defense.

692 views • 18 slides

Predator-Prey Strategies

Predator-Prey Strategies. Biological Science 3 2011. Strategies for Avoiding Predators. Poisons Mimicry Visual deception Chemical defenses Offensive weapons Camouflage Size. Poisons. Poisonous organisms often have bright colours to warn predators away.

411 views • 18 slides

Discrimination Learning

Discrimination Learning. Psychology 3906. Introduction. Discrimination and classification can lead to many things Recognition Kin food Fights mating. Some basics. Sign stimuli and sticklebacks Many stimuli together, might get heterogeneous summation

584 views • 11 slides

Chapter 53

Chapter 53. Community Ecology & Interspecific Interactions. Species Interactions. Intraspecific Interspecific. Interspecific Interactions. Competition Competitive Exclusion Principle Fundamental niches vs. realized niche. Interspecific Interactions. Predator-Prey Relationships

278 views • 10 slides