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Developmental Plasticity and SymbiosisEnvironment is not as bad as we thought Reaction Norm vs. Polyphenism Environmental regulation of phenotypes Learning
Nature vs Nurture?
Plasticity Phenotypic Developmental
Dung Beetles and Ants: Diet-induced polyphenismsQueen Ant vs Worker Ant Horned male Dung Beetles: Protector of the Female.
Diet and Gene regulationDNA methylation viable-yellow of Agouti- transposon in cis-regulatory element.
Predator-induced Polyphenisms: AmphibiansMore muscle mass in tail. Kairomones can make the tadpole more sensitive to environmental insults: fertilizers et al. Figure 17.6
Good Vibrations Fig. 17.7 Geronimo Try to find good model for this
Temperature and Sex
Temperature and Butterfly wings
Environment, Anxiety, and DNA methylation
Learning No division New Neurons Changing connections
Nervous system: Plasticity and Learning
Experience and vision Hubel and Wiesel (1960s)Right eye occluded for 3 months Occurs within 4 to 6 weeks of birth
Life cycle and PolyphenismsDiapause Larval Settlement
Symbiosis Parasitism Mutualism Commensalism
Developmental Symbiosis: passing on the helpVertical transmission Horizontal transmission Wolbachia infection
Shedding light on symbiosisEuprymna-Vibrio Light organ development and luminescence
Obligate mutualism Filariasis worm and WolbachiaSpotted Salamander and Oophilia amblystomatis
Symbiosis in mammalian intestine
Toads and Frogs.
Analytic Coding Amphibians: Tree Frog (Mind Map, Question and Expanded formats) Analytic coding using conceptual vocabulary from the Basic Conceptual Systems.
Chapter 18- Metamorphosis/regeneration/aging
Life Cycles. A. Life Cycle A life cycle is a behavior or stage that occurs once in a lifetime. It is repeated generation after generation. ALL animals.
The Life Cycle of a Butterfly
What is symbiosis? What it means: Two organisms live in close association Temporarily or for a long time At least one of them benefits from the relationship.
Standard Biology Chapter 22 Cellular Reproduction
Amphibians: The First Terrestrial Vertebrates
Gene Linkage Heredity Part 3.
Name ___________ ___________ 1.Precipitation is _______________________________________. a. rain, snow, sleet or hail. b. the process by which water turns.
Insect Communication A. Sound Communication 1.intraspecies 2.interspecies B. Chemical Communication 1.pheromones 2.allomones 3.kairomones C. Visual Communication.
Facultative Intracellular world Facultative Extracellular Free-living world Obligate (Vertically -transmitted) Obligate (Horizontally- Transmitted) Exposure.
Chapter 40 Amphibians Section 3 Reproduction in Amphibians.
Traits & Environment Pp What are traits? Hair color Eye color HeightWeight Male vs. Female.
(American bullfrog – Rana catesbiana)
Chordate Cladogram Section 30-1 Mammals Birds Reptiles Amphibians
FOR FRESHERS Mendelian Inheritance. Mendelian inheritance There are two alleles of a gene on different sister chromosomes. Dominant alleles trump recessive.
AMPHIBIANS & REPTILES ARE ADAPTED FOR LIFE ON LAND
EVOLUTION OF VIRULENCE IN A NEMATODE- FIG WASP RELATIONSHIP.
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